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                                                                                                                                                                                                                                                                                                                                                                  : 39 Products
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                                                                                                                                                                                                                                                                                                                                                                  TDS Range Max

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                                                                                                                                                                                                                                                                                                                                                                  Temperature Measuring Range

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                                                                                                                                                                                                                                                                                                                                                                  Related Categories
                                                                                                                                                                                                                                                                                                                                                                  • pH Testing
                                                                                                                                                                                                                                                                                                                                                                  • Conductivity Testers
                                                                                                                                                                                                                                                                                                                                                                  • Moisture Detection/Measurement
                                                                                                                                                                                                                                                                                                                                                                  • Air Velocity (Anemometers)
                                                                                                                                                                                                                                                                                                                                                                  • Vibration Meter
                                                                                                                                                                                                                                                                                                                                                                  • Humidity (Hygrometers)

                                                                                                                                                                                                                                                                                                                                                                  Water Analysis

                                                                                                                                                                                                                                                                                                                                                                  This versatile range of water quality meters is designed to measure chlorine, phosphorus, iron, fluoride, ammonia and much more. We stock handy pocket checkers by Hanna Instruments such as the Free Chlorine Ultra Low Range Checker that bridges the gap between simple chemical test kits and professional instrumentation, ideal for swimming pools and spas. The Fluoride Low Range Handheld Checker provides a simple, accurate and cost-effective way to measure fluoride - one of the chemicals proven to cause significant effects in people through drinking water. The HI-7 Ammonia Low Range Checker is a simple, accurate and cost-effective way to measure low ranges of ammonia in fresh water. A choice of high and low range TDS meters by ATP Instrumentation completes this range.

                                                                                                                                                                                                                                                                                                                                                                  Air Quality
                                                                                                                                                                                                                                                                                                                                                                  Weather Stations
                                                                                                                                                                                                                                                                                                                                                                  Light Meters
                                                                                                                                                                                                                                                                                                                                                                  Sound Level
                                                                                                                                                                                                                                                                                                                                                                  Pressure Testers (Manometers)

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-98303 - Pocket Conductivity Meter

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Pocket Conductivity Meter

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN07130

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-98303

                                                                                                                                                                                                                                                                                                                                                                  Accuracy %:2%; Calibration Type:Conductivity, TDS; Conductivity Range:-; External Depth:23mm; External Height:175mm; External Wi…

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £90.70 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-729 - Pocket Fluoride Checker - Low Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Pocket Fluoride Checker - Low Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN07141

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-729

                                                                                                                                                                                                                                                                                                                                                                  Conductivity Range:-; External Depth:38mm; External Height:82mm; External Width:61mm; Salinity Range Max:-; TDS Range Max:-; Tem…

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                                                                                                                                                                                                                                                                                                                                                                  £90.20 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-713 - Pocket Phosphate Checker

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Pocket Phosphate Checker

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN07139

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-713

                                                                                                                                                                                                                                                                                                                                                                  Conductivity Range:-; External Depth:38mm; External Height:82mm; External Width:61mm; Salinity Range Max:-; TDS Range Max:-; Tem…

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                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS EC500 - ExStik II Waterproof pH/Conductivity Meter, IP57

                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  ExStik II Waterproof pH/Conductivity Meter, IP57

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN08831

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: EC500

                                                                                                                                                                                                                                                                                                                                                                  Data Sheet

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £136.35 EX VAT

                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS EC400 - ExStik II Conductivity/TDS/Salinity Meter, IP57

                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  ExStik II Conductivity/TDS/Salinity Meter, IP57

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN08829

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: EC400

                                                                                                                                                                                                                                                                                                                                                                  Data Sheet

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £94.95 EX VAT

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-761 - Total Chlorine Checker, Ultra Low Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Total Chlorine Checker, Ultra Low Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10316

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-761

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-781 - Marine Nitrate Checker, Low Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Marine Nitrate Checker, Low Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10338

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-781

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-736 - Phosphorus Checker, Ultra Low Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Phosphorus Checker, Ultra Low Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10351

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-736

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-782 - Marine Nitrate Checker, High Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Marine Nitrate Checker, High Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10341

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-782

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-775 - Freshwater Alkalinity Checker

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Freshwater Alkalinity Checker

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10293

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-775

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £71.90 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-702 - Copper Checker, High Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Copper Checker, High Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10328

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-702

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £81.00 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-715 - Freshwater Ammonia Checker, Medium Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Freshwater Ammonia Checker, Medium Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10300

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-715

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £86.50 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-98319 - Low & High Range Salinity Tester

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Low & High Range Salinity Tester

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10273

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-98319

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                                                                                                                                                                                                                                                                                                                                                                  £86.60 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS TB400 - Portable Turbidity Meter

                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Portable Turbidity Meter

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10011

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: TB400

                                                                                                                                                                                                                                                                                                                                                                  Data Sheet

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                                                                                                                                                                                                                                                                                                                                                                  £458.30 EX VAT

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-784 - Marine Ammonia Checker

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Marine Ammonia Checker

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10296

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-784

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                                                                                                                                                                                                                                                                                                                                                                  £83.20 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-772 - Seawater/Marine Alkalinity Checker

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Seawater/Marine Alkalinity Checker

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10290

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-772

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                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-733 - Freshwater Ammonia Checker, High Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Freshwater Ammonia Checker, High Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10303

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-733

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £86.50 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-783 - Marine Magnesium Checker

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Marine Magnesium Checker

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10322

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-783

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £86.70 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-774 - Phosphate Checker, Ultra Low Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Phosphate Checker, Ultra Low Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10347

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-774

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                                                                                                                                                                                                                                                                                                                                                                  £75.00 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-99301 - Portable EC Meter, High Range, IP67

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Portable EC Meter, High Range, IP67

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10265

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-99301

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                                                                                                                                                                                                                                                                                                                                                                  £299.00 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-758 - Marine Calcium Checker

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Marine Calcium Checker

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10306

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-758

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                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-701 - Pocket Free Chlorine Checker

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Pocket Free Chlorine Checker

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN07137

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-701

                                                                                                                                                                                                                                                                                                                                                                  Conductivity Range:-; External Depth:38mm; External Height:82mm; External Width:61mm; Salinity Range Max:-; TDS Range Max:-; Tem…

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                                                                                                                                                                                                                                                                                                                                                                  £75.10 EX VAT

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                                                                                                                                                                                                                                                                                                                                                                  MARTINDALE ELECTRIC THERMOKITLGN - Legionella Testing Thermometry Kit

                                                                                                                                                                                                                                                                                                                                                                  MARTINDALE ELECTRIC

                                                                                                                                                                                                                                                                                                                                                                  Legionella Testing Thermometry Kit

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10521

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: THERMOKITLGN

                                                                                                                                                                                                                                                                                                                                                                  Data Sheet

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £114.00 EX VAT

                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS EC510 - Waterproof ExStik, IP57

                                                                                                                                                                                                                                                                                                                                                                  EXTECH INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Waterproof ExStik, IP57

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN10018

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: EC510

                                                                                                                                                                                                                                                                                                                                                                  Data Sheet

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £173.72 EX VAT

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS HI-700 - Pocket Ammonia Checker - Low Range

                                                                                                                                                                                                                                                                                                                                                                  HANNA INSTRUMENTS

                                                                                                                                                                                                                                                                                                                                                                  Pocket Ammonia Checker - Low Range

                                                                                                                                                                                                                                                                                                                                                                  Order Code: IN07133

                                                                                                                                                                                                                                                                                                                                                                  Manufacturer Part No: HI-700

                                                                                                                                                                                                                                                                                                                                                                  Conductivity Range:-; External Depth:140mm; External Height:144mm; External Width:144mm; Salinity Range Max:-; TDS Range Max:-; …

                                                                                                                                                                                                                                                                                                                                                                  RoHS

                                                                                                                                                                                                                                                                                                                                                                  £72.00 EX VAT

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