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Alarms


Displaying products for Alarms - from our range of leading brand manufacturers.

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101020018
101020018 - Grove Water Sensor

MK00334

Grove Water Sensor

SEEED STUDIO

Grove - water sensor detects the presence of water using exposed PCB traces. The sensor is made up of interlaced traces of Ground and Sensor signals. The sensor traces are weakly pulled up using 1 MΩ resistor. The resistor will pull the sensor trace value ...

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1+ £2.82 (£3.38) 5+ £2.25 (£2.70)

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Sensor Module - Water Sensor Grove Water Sensor Module, Cable
PIR700W
PIR700W - Wall Mount Outdoor PIR Sensor, White

SR09232

Wall Mount Outdoor PIR Sensor, White

SUNPOWER

• LED floodlight compatible, up to 300W • 180° Coverage with up to 12m detection • Adjustable time delay • Adjustable ambient light level • Prismatic lens ensures high sensitivity for accurate motion detection • Automatically adjusts to temperature change...

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1+ £16.92 (£20.30) 3+ £15.71 (£18.85)

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CBRS01SWH
CBRS01SWH - White ABS Room Sensor Enclosure - 86x86x25.5mm

EN84132

White ABS Room Sensor Enclosure - 86x86x25.5mm

CAMDENBOSS

A room sensor style enclosure designed for wall mount applications with plain sides. • ABS UL94-V0 construction • Front and back sections clip together • Internal PCB mount pillars in front & back sections • Internal snap-in clips for PCBs • Recessed front...

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1+ £2.48 (£2.98)

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EKMC1603111
EKMC1603111 - Sensor, Motion, 12m, White

SN36762

Sensor, Motion, 12m, White

PANASONIC

The EKMC1603111 from Panasonic is a long distance detection type passive infrared motion sensor in TO-5 package. This sensor detects change in infrared radiation which occurs, when there is a movement by a person or object by the change in surrounding temp...

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1+ £9.45 (£11.34) 5+ £8.96 (£10.75) 50+ £8.28 (£9.94)

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SHEYEMWBK
SHEYEMWBK - Half LED Amenity Light with Microwave Sensor, Black

SR09470

Half LED Amenity Light with Microwave Sensor, Black

ETERNA

• Low power LED array and optically optimised light • Eyelid (half) LED light design • Adjustable microwave sensor is discreetly placed behind the diffuser • Options to adjust 2-50 Lux or disable • Stainless steel screws • Average life: 25,000 hours • Col...

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1+ £39.90 (£47.88)

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CTI 302.
CTI 302. - Proximity Switch

SN36688

Proximity Switch

COMUS / ASSEMTECH

The CTI 302 is a cylindrical magnetic Proximity Switch with brass case and normally open style contacts. • 200mΩ Maximum contact resistance • -20 to 85°C Operating temperature range

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1+ £2.76 (£3.31) 25+ £2.45 (£2.94) 50+ £2.20 (£2.64) 100+ £2.00 (£2.40)

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600643
600643 - Sensor 15

CS29565

Sensor 15" MacBook Pro Briefcase with iPad Pocket, Black

WENGER SWISS GEAR

Slim and stylish briefcase with a padded 15" MacBook Pro compartment and dedicated iPad pocket. • Complies with hand luggage restrictions for notebook bags specified by most leading airlines • Highly effective Triple Layer Protection design • Quik Pocket f...

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1+ £42.01 (£50.41)

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101020045
101020045 - Grove Gas Sensor(MQ9)

MK00304

Grove Gas Sensor(MQ9)

SEEED STUDIO

Grove - Gas Sensor(MQ9) module is useful for gas leakage detecting(in home and industry). It can detect LPG, i-butane, methane, alcohol, Hydrogen, smoke and so on. Measurements can be taken as soon as possible based on its fast response time. Also, the sen...

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1+ £6.48 (£7.78) 5+ £6.10 (£7.32)

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WACEPIR
WACEPIR - PIR Occupancy Sensor Light Switch, Surface Mount

LA05683

PIR Occupancy Sensor Light Switch, Surface Mount

DANLERS

• Detection zone: 120° • Detection range: Up to 10m • Time lag range: 10 seconds to 40 minutes in 9 steps • Photocell range: 100 to 1000 lux, and inactive • Loading: Up to 6A (1500W) of resistive loads, • 6A (1500W) of fluorescent loads, lamps & fittings ...

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1+ £49.24 (£59.09)

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101020033
101020033 - Grove Ear-clip Heart Rate Sensor

MK00298

Grove Ear-clip Heart Rate Sensor

SEEED STUDIO

Grove - Ear-clip Heart Rate Sensor contain a ear clip and a receiver module. It can be used to monitor heart rate of patient and athlete. The result can be displayed on a screen via the serial port and can be saved for analysis. The entire system Z2has a h...

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1+ £12.42 (£14.90) 5+ £11.78 (£14.14)

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- - - Ear clip and a receiver module
HCZ-D5-A
HCZ-D5-A - Sensor, Humidity, 20-90%Rh, +/-5%

SN36746

Sensor, Humidity, 20-90%Rh, +/-5%

MULTICOMP

HCZ-D5-A Humidity Sensor from the HCZ Series offers accurate humidity measurement within a range of 20% to 90% RH with a 5% accuracy. Designed for through-hole mounting, this enclosed sensor is ideal for various environmental monitoring applications. Its r...

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1+ £0.91 (£1.09) 10+ £0.80 (£0.96) 50+ £0.69 (£0.83) 100+ £0.62 (£0.74)

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SEN0189
SEN0189 - Gravity Analogue Turbidity Sensor for Arduino

SC15115

Gravity Analogue Turbidity Sensor for Arduino

DFROBOT

Arduino compatible sensor that detects water quality by measuring the level of turbidity. The sensor is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended so...

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1+ £8.86 (£10.63)

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SEN0134
SEN0134 - Gravity Analogue Carbon Monoxide & Combustible Gas Sensor for Arduino

SC15111

Gravity Analogue Carbon Monoxide & Combustible Gas Sensor for Arduino

DFROBOT

Aruino compatibe sensor board based around the MQ9 sensor, which has good sensitivity to Carbon monoxide and other combustible gases. The sensor makes detection by cycling high and low temperature; when the temperature rises (heated by 5V), it detects Meth...

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1+ £9.59 (£11.51)

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DFR0023
DFR0023 - Gravity Analogue Ambient Air Temperature Sensor for Arduino, LM35

SC15081

Gravity Analogue Ambient Air Temperature Sensor for Arduino, LM35

DFROBOT

DFR0023 is a Gravity: analogue LM35 temperature sensor module for Arduino. This Arduino temperature sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature. The LM35 chip offers a functional range between 0...

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1+ £6.32 (£7.58)

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- - - Linear Temperature Sensor Board LM35, Analog Sensor Cable FIT0031
101020012
101020012 - Grove Dust Sensor

MK00579

Grove Dust Sensor

SEEED STUDIO

Grove - dust sensor(PPD42NS) provide reliable data for air purifier system. This Dust Sensor gives a good indication of the air quality in an environment by measuring the dust concentration. The Particulate Matter level (PM level) in the air is measured by...

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Sensor Board PPD42NS Dust Sensor Grove - Dust Sensor Board and Connecting Lead
PEL01364
PEL01364 - IP44 Outdoor Solar 20 LED Security Wall Light with PIR Sensor

LA08014

IP44 Outdoor Solar 20 LED Security Wall Light with PIR Sensor

PRO ELEC

The Pro Elec PEL01364 Solar Wall Security Light features 20 SMD LEDs emitting 6500K white light. It includes a PIR sensor with a 3 metre detection range and a 90° to 120° wide angle detection. Powered by a 5.5V, 0.55W monocrystal silicon solar panel and a ...

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Hazardous Item: There maybe additional transit time on this item. Delivery of other items on your order will be unaffected.

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XF-322-FAR
XF-322-FAR - Sensor, Thermocouple, T, PTFE, 1m, Miniplug

SN36905

Sensor, Thermocouple, T, PTFE, 1m, Miniplug

LABFACILITY

The XF-322-FAR is a PTFE insulated Thermocouple Wire (type-t) with welded junction and colour coded fitted miniature plug. The wire features twin twist pair with PTFE insulated over 1/0.2mm conductors of 1 metre long. Supports -75 to +250°C tip temperature...

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1+ £6.89 (£8.27) 5+ £6.64 (£7.97) 10+ £6.40 (£7.68) 25+ £6.08 (£7.30)

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PEL00838
PEL00838 - Wall Mounted Lantern Light with Dusk to Dawn Sensor

LA06988

Wall Mounted Lantern Light with Dusk to Dawn Sensor

PRO ELEC

The Pro Elec PEL00838 Wall Light with Dusk to Dawn Sensor is an outdoor lantern-style fixture designed for automatic illumination. Constructed from polypropylene with a clear polycarbonate light cover, it requires an E27 lamp (not included). The built-in d...

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PEL01308
PEL01308 - LED Mini PIR Sensor Switch Light

LA07956

LED Mini PIR Sensor Switch Light

PRO ELEC

The PEL01308 from Pro-Elec is an LED mini sensor switch light with a 3m PIR distance. • ABS construction • 2x 1W Superbright COB LED • Lumens: 120lm • Requires 3x AAA batteries (not included) • Supplied with 2x hook & loop fasteners and 2x magnets for hand...

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SEN-11084
SEN-11084 - Altitude/Pressure Sensor Breakout Board, MPL3115A2

MK00707

Altitude/Pressure Sensor Breakout Board, MPL3115A2

SPARKFUN ELECTRONICS

Breakout board for the MPL3115A2 MEMS pressure and altitude sensor. The sensor outputs are digitised by a high resolution ADC and transmitted over I2C, suitable for use with most controllers • Provides 20 bit altitude measurement, 20 bit pressure measureme...

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SEN0161
SEN0161 - Gravity Analogue pH Sensor & Meter Kit for Arduino

SC15113

Gravity Analogue pH Sensor & Meter Kit for Arduino

DFROBOT

SEN0161 is a gravity: analogue pH sensor/meter kit for Arduino. This analogue pH meter, specially designed for Arduino controllers and has built-in simple, convenient and practical connection and features. It has an LED which works as the Power Indicator, ...

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- - - Dev Brd SEN0161, pH Sensor Circuit Board, pH Probe, Analog Cable
DFR0055
DFR0055 - Gravity Terminal Sensor Adaptor v2.0

SC15062

Gravity Terminal Sensor Adaptor v2.0

DFROBOT

This is a universal sensor adaptor that can be accessed by digital and analogue input modules. Features various improvements over the old version including a 10K resistor between A & B, A & C respectively, so an additional resistor is not required. This ad...

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WT09
WT09 - WiFi PIR Motion Sensor

SR10295

WiFi PIR Motion Sensor

NETZHOME

• Wirelessly pair device to your standard router or Wi-Fi extender • Alerts are sent to your smartphone or tablet device • Notifications can be silent or accompanied by an alarm tone • Max. 100x individual devices can be registered and seen in the app and...

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KIT0011
KIT0011 - Gravity Sensor Kit for Arduino, 27 Piece Set

SC15104

Gravity Sensor Kit for Arduino, 27 Piece Set

DFROBOT

Cost effective kit that makes an ideal place to start when experimenting with sensors. Includes a range of sensors including light, gas, sound, touch and distance that will open up a world of information for your projects. • Includes 27 modules that cover ...

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MA-ISK-S15-150-P1-2.0-C2-T
MA-ISK-S15-150-P1-2.0-C2-T - Sensor, Thermocouple, MI, K, SS, 1.5x150mm

SN36845

Sensor, Thermocouple, MI, K, SS, 1.5x150mm

LABFACILITY

The MA-ISK series type K Mineral Insulated Thermocouple particularly suited for high pressure, high vacuum or high vibration applications. • Very rugged and flexible • Stainless steel (310) sheath • Maximum temperature of probe 1100°C (K) • Plain pot seal ...

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