Alarm Sensors

: 913 Products Found
Categories
0 Filter(s) Selected
913 Products Found Please click the 'Apply Filters' button to update results
Min/Max Availability

When the Remember checkbox is selected we will save your latest filter preferences for future searches

Compliance
Min/Max Manufacturer
Packaging

Contract pricing display is unavailable at the moment. Prices shown are standard retail prices, orders placed will have contract pricing applied when processed.

Alarm Sensors


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

Air Sensors Uv Sensors Flow Sensor Switches
Compare Selected Compare (0)
Extended Attributes Attributes
Add properties to the table

Select the properties you would like to see added to the columns at the end of the table.

  Manufacturer Part No Order Code Description / Manufacturer
Availability Price For
Price Ex. VAT (Inc. VAT)
Quantity
Detector Type Sensing Range Max Beam Angle Product Range
 
 
Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending
603618
603618 - INFRARED MOTION DETECTOR SILVER

SR10631

INFRARED MOTION DETECTOR SILVER

STEINEL

Infrared wall sensor for use indoors and out. Ideal for expansive building fronts and driveways, suitable for corner mounting with corner wall mount. • 180° Angle of coverage • Detection range can be set to 5m or 12m • Selectable time and twilight threshol...

You previously purchased this product. View in Order History

Each

1+ £67.00 (£80.40) 3+ £62.00 (£74.40)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
Passive Infrared 12m 180° -
608811
608811 - INFRARED MOTION DETECTOR BLACK

SR10632

INFRARED MOTION DETECTOR BLACK

STEINEL

Infrared wall sensor for use indoors and out. Ideal for targeted detection close to buildings. • Selectable time and twilight threshold • Turns through 180° and tilts through 90° • Detection range up to 14m • 140° Angle of coverage • IP54 rated • Supply vo...

You previously purchased this product. View in Order History

Each

1+ £54.50 (£65.40) 3+ £52.80 (£63.36)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
Passive Infrared 14m 140° -
DEM800
DEM800 - MOISTURE METER

IN07787

MOISTURE METER

VELLEMAN INSTRUMENTS

• Moisture meter with large LCD display • Suitable for use on timber, cardboard, paper, plaster, mortar and concrete • Data hold function to freeze the displayed readings • Measures using the electrical resistance principle • Features a 13mm electrode • P...

You previously purchased this product. View in Order History

Each

1+ £27.67 (£33.20) 3+ £25.76 (£30.91)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
032852
032852 - INFRARED MOTION DETECTOR RECESSED BLACK

SR10640

INFRARED MOTION DETECTOR RECESSED BLACK

STEINEL

Infrared wall sensor for use indoors and out. Ideal for installing in projecting roofs and suspended ceilings. • Selectable time and twilight threshold • Detection range up to 4m • 360° Angle of coverage • IP54 rated • Supply voltage: 230V AC • Time settin...

You previously purchased this product. View in Order History

Each

1+ £52.52 (£63.02) 3+ £51.26 (£61.51)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
Passive Infrared 4m 360° -
MO57
MO57 - MOISTURE METER, PINLESS

IN07923

MOISTURE METER, PINLESS

EXTECH INSTRUMENTS

A must have tool for analyzing the after-effects of water leakage behind walls and in ceilings and also measuring moisture content on a non-flat surface. • Ideal for building restoration projects and applications where moisture detection on floors, tiles a...

You previously purchased this product. View in Order History

Each

1+ £88.70 (£106.44) 3+ £86.11 (£103.33)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
SEN-12642
SEN-12642 - Sound Detector Breakout Board

MK00768

Sound Detector Breakout Board

SPARKFUN ELECTRONICS

Compact and easy to use audio-sensing breakout board with three separate and independent outputs; the board provides an audio output, a binary indication of sound detection and an analogue representation of the amplitude. • All three outputs are active sim...

You previously purchased this product. View in Order History

Each

1+ £14.43 (£17.32)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
WSAK8118
WSAK8118 - STEREO ULTRASONIC SOUND & BAT DETECTOR

HK01711

STEREO ULTRASONIC SOUND & BAT DETECTOR

WHADDA

Simple and effective tool for converting ultrasonic sounds into audible sound for humans, ideal for studying bats and electrical inspections where the detection of ultrasound is involved. Images show fully assembled unit, the product is supplied in kit for...

You previously purchased this product. View in Order History

1 Kit

1+ £16.99 (£20.39) 5+ £15.70 (£18.84)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
602819
602819 - INFRARED MOTION DETECTOR + 2 PYRO WHITE

SR10639

INFRARED MOTION DETECTOR + 2 PYRO WHITE

STEINEL

Round-the-corner infrared wall sensor for use indoors and out. Ideal for targeted coverage of areas in front of two walls. • Selectable time and twilight threshold • Detection range up to 12m • 240° Angle of coverage • IP54 rated • Supply voltage: 230V AC ...

You previously purchased this product. View in Order History

Each

1+ £70.20 (£84.24) 3+ £68.18 (£81.82)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
Passive Infrared 12m 240° -
PH020
PH020 - GAS LEAK DETECTOR SPRAY - 400ML

TL19459

GAS LEAK DETECTOR SPRAY - 400ML

ARCTIC HAYES

Specially formulated to trace positive pressure leaks in pipelines and fittings. No need to submerge parts or lines to test. Non-flammable and non-corrosive, suitable for use on gas, air and nitrogen leaks. The micro-porous foam instantly highlights the sm...

You previously purchased this product. View in Order History

Each

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

1+ £5.18 (£6.22)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - Arctic Hayes - PH Gas Leak Detectors
5678
5678 - Clippable Detector Board for micro:bit

ED00507

Clippable Detector Board for micro:bit

KITRONIK

Clippable detector board V1.0 for the BBC micro:bit detects light, objects and can follow lines. The board is compatible directly with the BBC micro:bit and certain Kitronik boards, such as the Klip motor board. The board works by using phototransistors to...

You previously purchased this product. View in Order History

Each

1+ £3.59 (£4.31)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
13/450/0
13/450/0 - MOISTURE METER

IN08948

MOISTURE METER

BRANNAN

Digital moisture meter, suitable for use on woods, bamboo, paper, wood fibre articles and building materials. • Large, colour LCD display • Simultaneous measurement and display of moisture and temperature readings • Materials selection measurements • Moist...

You previously purchased this product. View in Order History

Each

1+ £49.95 (£59.94) 3+ £46.88 (£56.26)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
AMN32111J
AMN32111J - Sensor, Motion, 2m, 91°/91°, Black

SN36500

Sensor, Motion, 2m, 91°/91°, Black

PANASONIC

AMN32111J is a NaPiOn 2nd generation, slight motion detection type, PIR motion sensor. Typical applications include base lighting, ceiling air conditioners, and heaters. • 3m typical ceiling installation height • 107° x 106° field of view • 104 detection z...

You previously purchased this product. View in Order History

Each

1+ £13.75 (£16.50) 5+ £11.88 (£14.26)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - 91° AMN 2,3,4 Series
DFR0300
DFR0300 - Analog Electrical Conductivity Sensor Board, DFRobot DFRduino UNO V3.0(R3) Development Board

SC15101

Analog Electrical Conductivity Sensor Board, DFRobot DFRduino UNO V3.0(R3) Development Board

DFROBOT

The DFR0300 from DFRobot is a comprehensive kit which allows you to measure the electrical conductivity of aqueous solutions and evaluate water quality. With a plug-and-play design, intuitive software library and support for 3.3V/5V microcontrollers (such ...

You previously purchased this product. View in Order History

Each

1+ £53.90 (£64.68)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - Gravity Series
DFR0034
DFR0034 - Analog Sound Sensor Board, DFRobot Arduino V7.1 IO Expansion Shield Development Boards, w/Cable

SC15092

Analog Sound Sensor Board, DFRobot Arduino V7.1 IO Expansion Shield Development Boards, w/Cable

DFROBOT

DFR0034 is a Gravity: analogue sound sensor suitable for a range of Arduino projects. The sensor is typically used for detecting the loudness of ambient sounds, the controller can collect the output signal and actuate accordingly. Possible applications inc...

You previously purchased this product. View in Order History

Each

1+ £5.27 (£6.32)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - Gravity Series
SEN0204
SEN0204 - Add-On Board, Liquid Level Sensor Adapter, Probe, Gravity Digital 3Pin Cable, DFRduino UNO R3 Boards

SC15120

Add-On Board, Liquid Level Sensor Adapter, Probe, Gravity Digital 3Pin Cable, DFRduino UNO R3 Boards

DFROBOT

SEN0204 is a gravity: non-contact digital liquid level sensor board for Arduino. It utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achieve non-contact liquid level detection. No ...

You previously purchased this product. View in Order History

Each

1+ £9.58 (£11.50)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - Gravity Series
IRA-S210ST01
IRA-S210ST01 - PIR Sensor, 45 °, 45 °

SN36935

PIR Sensor, 45 °, 45 °

MURATA

IRA-S series pyroelectric infrared sensor(lead type) deliver high sensitivity and reliable performance made possible by Murata's ceramic technology. Used mainly in security equipment. Combining performance with low costs, the IRA-S series makes it easier t...

You previously purchased this product. View in Order History

Each

1+ £1.77 (£2.12) 10+ £1.68 (£2.02) 25+ £1.61 (£1.93) 50+ £1.55 (£1.86)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - 45° IRA-S Series
SEN0160
SEN0160 - Add-On Board, Weight Sensor, Gravity Series, Arduino, Digital Interface

SC15112

Add-On Board, Weight Sensor, Gravity Series, Arduino, Digital Interface

DFROBOT

Gravity digital weight sensor module based around the HX711 precision 24-bit analogue to digital converter; which is designed for weight scale and industrial control applications to interface directly with a bridge sensor. This sensor lowers the cost of an...

You previously purchased this product. View in Order History

Each

1+ £13.55 (£16.26)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - Gravity Series
101020532
101020532 - Sensor Module, with Cable, Time of Flight Distance, 3.3V / 5V, Arduino & Raspberry Pi Board

MK00846

Sensor Module, with Cable, Time of Flight Distance, 3.3V / 5V, Arduino & Raspberry Pi Board

SEEED STUDIO

Fast and accurate long range distance sensor based on the VL53L0X module that utilises a SPAD (Single Photon Avalanche Diode) array with embedded Flight Sense technology. • Measure absolute range up to 2m • Reported range is independent of the target refle...

You previously purchased this product. View in Order History

Each

1+ £11.49 (£13.79) 5+ £10.62 (£12.74)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
DFR0026
DFR0026 - Add-On Board, Ambient Light Sensor Module, Gravity Series, Arduino, Analog Interface

SC15078

Add-On Board, Ambient Light Sensor Module, Gravity Series, Arduino, Analog Interface

DFROBOT

Useful sensor module that detects light density and reflects the value as an Analogue signal for the controller; ideal for Arduino or Raspberry Pi use. You can set the threshold of voltage level to trig other unit on Arduino project.  • Wide voltage range ...

You previously purchased this product. View in Order History

Each

1+ £2.68 (£3.22)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - Gravity Series
PT100 PROBE 3.0 X 25MM 1M LEAD
PT100 PROBE 3.0 X 25MM 1M LEAD - RTD Sensor, PT100 Probe,  Class B, Teflon Insulated, -50°C to 200°C, 100 ohm

SN36874

RTD Sensor, PT100 Probe, Class B, Teflon Insulated, -50°C to 200°C, 100 ohm

LABFACILITY

The PT100 PROBE 3.0 X 25mm 1m lead from Labfacility is a Pt100 class B sensor with PTFE insulated lead. The Pt100 sensor is an insulated element in a 3mm diameter 316 stainless steel probe. • Pt100 element to IEC751 class B standard • 4 wire configuration ...

You previously purchased this product. View in Order History

Each

1+ £25.75 (£30.90) 5+ £24.82 (£29.78) 10+ £23.95 (£28.74) 25+ £22.75 (£27.30)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
PELL0052
PELL0052 - 10A PHOTOCELL SENSOR

LA08664

10A PHOTOCELL SENSOR

PRO ELEC

Automatic photocell lighting controller. • Current rating: 10A • Supply voltage: 110-240V AC • Ambient light: 5-15Lux • IP44 Rated • Dimensions (Dia.xH): 80x125mm

You previously purchased this product. View in Order History

Each

1+ £4.44 (£5.33) 3+ £4.07 (£4.88) 5+ £3.49 (£4.19)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
PELL0051
PELL0051 - 10A PHOTOCELL SENSOR

LA08663

10A PHOTOCELL SENSOR

PRO ELEC

Automatic photocell lighting controller. • Current rating: 10A • Supply voltage: 110-240V AC • Ambient light: 5-50Lux • IP44 Rated • Dimensions (Dia.xH): 63x77mm

You previously purchased this product. View in Order History

Each

1+ £0.95 (£1.14) 5+ £0.90 (£1.08)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
LM335Z
LM335Z - TEMPERATURE SENSOR, TO-92-3, 335

SC16322

TEMPERATURE SENSOR, TO-92-3, 335

STMICROELECTRONICS

The LM335Z is a precision temperature sensor in 3 pin TO-92 package. This sensor operates as a two terminal zener diode and breakdown voltage is directly proportional to absolute temperature at 10mV/°K. The circuit has a dynamic impedance of less than 1ohm...

You previously purchased this product. View in Order History

Each

1+ £0.48 (£0.58) 25+ £0.44 (£0.53)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - LM135: LM235: LM335
331
331 - ALARM CLOCK, VIBRATION

LH02169

ALARM CLOCK, VIBRATION

LIFEMAX

• Unique clock with vibration and sound alarm • Place under your pillow and the alarm will wake you by vibrating • Helps visually or hearing impaired people • Compact design for travel use or in the home • Temperature display, snooze and backlight feature...

You previously purchased this product. View in Order History

Each

1+ £15.47 (£18.56) 5+ £14.27 (£17.12)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -
1-900L(CPC BRAND)
1-900L(CPC BRAND) - AEROSOL PERSONAL ALARM

SR00020

AEROSOL PERSONAL ALARM

UNBRANDED

Stay safe wherever you go with the Personal Safety Aerosol Alarm. Designed for convenience and peace of mind, this compact personal alarm is the ideal safety solution, emitting a high-pitched 130dB sound when activated to help deter threats and alert other...

You previously purchased this product. View in Order History

Each

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

1+ £4.90 (£5.88) 6+ £4.70 (£5.64)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
- - - -