Alarms

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Alarms


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

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PH026
PH026 - PH Gas Leak Detector with Brush, 250ml

TL19461

PH Gas Leak Detector with Brush, 250ml

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...

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Gas Brush Applicator 250ml - Arctic Hayes - PH Gas Leak Detectors
75072670
75072670 - MN21 12V Car Alarm/Transmitter Batteries, 2 Pack

BT04754

MN21 12V Car Alarm/Transmitter Batteries, 2 Pack

DURACELL

Duracell's MN21 12V battery fits approximately 85% of car alarm remote controls.

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1+ £2.73 (£3.28) 10+ £2.63 (£3.16) 25+ £2.48 (£2.98) 50+ £2.37 (£2.84)

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- - - 8g -
FS-2513P
FS-2513P - Sensor, Piezo Film

SN36520

Sensor, Piezo Film

PROWAVE

Pro-Wave now presents a series of mechnoelectrical sensors and detectors produced by advanced piezoelectric polymer film technology. The polymer film of polyvinylidene fluoride (PVF2) exhibits a conspicuous piezoelectric effect and also has high compliance...

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DFR0067
DFR0067 - Gravity Digital Temperature & Humidity Sensor for Arduino, DHT11

SC15096

Gravity Digital Temperature & Humidity Sensor for Arduino, DHT11

DFROBOT

DFR0067 is a Gravity: DHT11 temperature & humidity sensor module for Arduino. The DHT11 temperature and humidity sensor is as powerful as it used to be but easier to use. This DHT11 Arduino temperature and humidity sensor has a full range temperature compe...

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- - - - Gravity Series
101020132
101020132 - Grove Light Sensor - v1.2

MK00575

Grove Light Sensor - v1.2

SEEED STUDIO

Grove - light sensor v1.2 is an analogue module and can output various electrical signals which can be converted to different ranges. It integrates LS06-S photoresistor, a high-sensitive and reliable photodiode, to detect the intensity of light in the envi...

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SEN-13763
SEN-13763 - Humidity & Temperature Sensor Breakout Board, Si7021

MK01014

Humidity & Temperature Sensor Breakout Board, Si7021

SPARKFUN ELECTRONICS

Ultra compact breakout board based around the Si7021 sensor that delivers highly accurate digital humidity and temperature measurement, ideal for environmental sensing and data logging applications. • Highly accurate digital humidity and temperature measur...

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4058075260436
4058075260436 - 1W Linear LED USB Mobile Battery with PIR Sensor, 4.2V, 172lm, 4000K, Cool White, IP20

LA09219

1W Linear LED USB Mobile Battery with PIR Sensor, 4.2V, 172lm, 4000K, Cool White, IP20

LEDVANCE

• Functional design for large range of uses • For indoor use only • Integrated light and motion sensor • Easy and quick installation • Equipped with a mode for auto or on/off switch • Battery rechargeable via USB cable (supplied) • Dimensions (LxWxH): 200...

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- - - - Linear LED Mobile USB Series
SEN-17372
SEN-17372 - Qwiic PIR Sensor Breakout, 170µA

MK01035

Qwiic PIR Sensor Breakout, 170µA

SPARKFUN ELECTRONICS

Breakout board fitted with a passive, low profile PIR sensor that detects movement in close proximity to the sensor. The sensor is optimised to provide motion-sensing functions for continuously powered applications. • Panasonic EKM-series PIR offers digita...

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- - - - SparkFun Qwiic PIR Breakouts
WSAK201
WSAK201 - Panda Plant Guardian Moisture Sensor Kit

HK01760

Panda Plant Guardian Moisture Sensor Kit

WHADDA

Simple moisture sensor kit with gold plated probes and cute panda PCB. The kit is easy to assemble and simply goes into the soil of your houseplant. The panda's RGB LED eyes will light up every 30 seconds to show the status of the soil; either too dry, too...

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911401855982
911401855982 - LED Ledinaire Wall-Mounted Bulkhead with Microwave Sensor, 4000K, 1700lm, IP65, White

LA09925

LED Ledinaire Wall-Mounted Bulkhead with Microwave Sensor, 4000K, 1700lm, IP65, White

PHILIPS LIGHTING

• Colour temperature: 4000K • 1700 Lumens • UV-resistant for outdoor use • Supplied with tamperproof screws

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1+ £66.50 (£79.80) 5+ £62.45 (£74.94)

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WSHA8067
WSHA8067 - Temperature Sensor Kit

HK01785

Temperature Sensor Kit

WHADDA

Simple and effective DIY sensor kit that can be used to measure indoor and outdoor temperatures. • Temperature range: -20°C to 70°C • 2° Full range accuracy • 3 Wire system: GND, +V and OUT • Power Supply: 12V DC (0-5V OUT), 15V DC (0-10V OUT) • Supplied a...

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SEN-17375
SEN-17375 - Qwiic Low Power PIR Sensor Module, 1µA

MK01032

Qwiic Low Power PIR Sensor Module, 1µA

SPARKFUN ELECTRONICS

Passive, low profile PIR sensor board that detects movement in close proximity to the sensor. The module features an EKM-series Panasonic PIR combined with an ATTiny84 MCU and Qwiic connectors for easy integration and prototyping. Due to the low current dr...

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- - - - SparkFun Qwiic PIR Sensors
SEN-17777
SEN-17777 - Ultrasonic Distance Sensor

MK01031

Ultrasonic Distance Sensor

SPARKFUN ELECTRONICS

High performance sensor breakout board that provides non-contact distance readings from 2cm to 400cm. The board is fitted with Qwiic connectors for intuitive I2C communication and daisy-chaining with other Qwiic devices. • Built around the STM8L051 MCU the...

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SEN-18521
SEN-18521 - Qwiic Digital Temperature Sensor Breakout, AS6212

MK01019

Qwiic Digital Temperature Sensor Breakout, AS6212

SPARKFUN ELECTRONICS

Compact breakout board based around the AS6212 sensor that delivers highly accurate digital temperature measurement, ideal for integration into a range of projects. The board is fitted with dual Qwiic connectors for faster prototyping as part of the Qwiic ...

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ACS712ELCTR-20A-T
ACS712ELCTR-20A-T - Hall Effect Linear Current Sensor, 20A, SOIC8, 80kHz, 5.5V

SC19113

Hall Effect Linear Current Sensor, 20A, SOIC8, 80kHz, 5.5V

ALLEGRO MICROSYSTEMS

ACS712ELCTR-20A-T is an Allegro™ fully integrated, hall-effect-based linear current sensor IC with a low-resistance current conductor. It provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications s...

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SEN-17374
SEN-17374 - Qwiic PIR Sensor Module, 170µA

MK01033

Qwiic PIR Sensor Module, 170µA

SPARKFUN ELECTRONICS

Passive, low profile PIR sensor board that detects movement in close proximity to the sensor. The module features an EKM-series Panasonic PIR combined with an ATTiny84 MCU and Qwiic connectors for easy integration and prototyping. The sensor is optimised t...

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- - - - SparkFun Qwiic PIR Sensors
SEN-17373
SEN-17373 - Qwiic Low Power PIR Sensor Breakout, 1µA

MK01034

Qwiic Low Power PIR Sensor Breakout, 1µA

SPARKFUN ELECTRONICS

Breakout board fitted with a passive, low profile PIR sensor that detects movement in close proximity to the sensor. Due to the low current draw (1µA) of this sensor, it is ideal for battery powered applications. • Panasonic EKM-series PIR offers digital o...

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- - - - SparkFun Qwiic PIR Breakouts
LM75AD,118
LM75AD,118 - Temperature Sensor IC, Digital, +/- 3°C, -55  Degrees C to 125 Degrees C, SOIC, 8 Pins

SC19243

Temperature Sensor IC, Digital, +/- 3°C, -55 Degrees C to 125 Degrees C, SOIC, 8 Pins

NXP

The LM75A is a temperature-to-digital converter using an on-chip bandgap temperature sensor and Sigma-delta A-to-D conversion technique. The device is also a thermal detector providing an overtemperature detection output. • Improved temperature resolution ...

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AC T3 8C WHT 100M
AC T3 8C WHT 100M - 8 Core Alarm Cable, 0.22m², White, 100m

CB20033

8 Core Alarm Cable, 0.22m², White, 100m

PRO POWER

• General purpose signal and alarm cable • Ideal for use in alarm installations or where low Voltages are used • Copper clad aluminium conductors • CE CPR - Cat Eca

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- - - - Alarm Cable
VOLT STICK SOUND
VOLT STICK SOUND - 230V Voltage Detector with Buzzer

IN04167

230V Voltage Detector with Buzzer

SAGAB

A non-contact instrument for safely checking the presence of an AC voltage without making any disconnections in cables, wall sockets, fuses, circuit breakers, junction boxes, etc. Applying the tip of the Voltstick to the equipment area/ cable to be tested,...

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VOLTSTICK
VOLTSTICK - 230V Voltage Detector - Yellow

IN00005

230V Voltage Detector - Yellow

SAGAB

A non-contact instrument for safely checking the presence of an AC voltage without making any disconnections in cables, wall sockets, fuses, circuit breakers, junction boxes, etc. Applying the tip of the Voltstick to the equipment area/ cable to be tested,...

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- - - - Sageb - Voltstick
PM-11
PM-11 - 12V Noise Activated Sensor Module Kit

HK00035

12V Noise Activated Sensor Module Kit

CEBEK

This module activates a relay switch when a noise is detected. It has adjustable sensitivity for use in noisy environments. • Power supply: 12Vdc • Input signal: 50mV • Current consumption: 50mA • Dimensions (HxWxD): 75x40x30mm

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101020031
101020031 - Grove Piezo Vibration Sensor

MK00357

Grove Piezo Vibration Sensor

SEEED STUDIO

Grove - Piezo Vibration Sensor is suitable for measurements of flexibility, vibration, impact and touch. The module is based on PZT film sensor LDT0-028. When the sensor moves back and forth, a certain voltage will be created by the voltage comparator insi...

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101020023
101020023 - Grove Module Sound Sensor

MK00320

Grove Module Sound Sensor

SEEED STUDIO

Grove - sound sensor based on LM358 amplifier - Arduino Compatible is a simple microphone compatible with many microcontrollers and SBCs like Arduino and Raspberry Pi. It can be used to detect whether there's sound (like the sound of clapping, noise, etc) ...

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101020063
101020063 - Grove Loudness Sensor

MK00314

Grove Loudness Sensor

SEEED STUDIO

Grove - sound sensor/ noise detector for Arduino is designed to detect the loudness of environmental sound. Based on amplifier LM2904 and a built-in microphone, it amplifies and filters the high-frequency signal that received from the microphone, and outpu...

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