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Alarms


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

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101020019
101020019 - Grove Temperature & Humidity Sensor Pro

MK00343

Grove Temperature & Humidity Sensor Pro

SEEED STUDIO

Grove - temperature & humidity sensor pro (DHT22/AM2302) is a high accuracy temperature and humidity sensor based on the DHT22 module (also known as AM2302 or RHT03). High-cost performance and high precision make it ideal for temperature and humidity monit...

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Sensor Module DHT22 Temperature Sensor & Humidity Sensor Sensor Module DHT22
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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Sensor Module - Sound Sensor Loudness Sensor Module, Cable
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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101020174
101020174 - Grove Infrared Reflective Sensor V1.2

MK00583

Grove Infrared Reflective Sensor V1.2

SEEED STUDIO

Grove - Infrared Reflective Sensor v1.2 can be used for the detection of proximity and colour of objects. The reflective photosensor - RPR-220 used in this module consists of an infrared light emitting diode and a high –sensitivity phototransistor. This se...

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SEN0205
SEN0205 - Gravity Photoelectric Water & Liquid Level Sensor  for Arduino

SC15121

Gravity Photoelectric Water & Liquid Level Sensor for Arduino

DFROBOT

SEN0205 is a gravity: photoelectric high accuracy liquid level sensor for Arduino. The Arduino liquid sensor is equipped with an interface adapter for compatibility with the DFRobot "Gravity" interface. To ease the difficulty of using this Arduino liquid s...

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- - - Liquid Level Sensor Convert Board, FS-IR02 Probe
SEN-12785
SEN-12785 - ToF Range Finder Sensor Board, VL6180

MK00783

ToF Range Finder Sensor Board, VL6180

SPARKFUN ELECTRONICS

The VL6180 'Time of Flight' range finder is actually a highly accurate 3-in-1 sensor package; it combines an IR emitter, a range sensor and an ambient light sensor with an I2C interface - complete with a compact form factor that includes integrated hole pa...

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WPSE309
WPSE309 - Microphone Sound Sensor Module

SC17468

Microphone Sound Sensor Module

WHADDA

High sensitivity sound detection module with 2 outputs: the analogue output creates a real-time output voltage signal of the microprohone and the digital output depends on the sound intensity & threshold that has been set. • High sensitivity sound detectio...

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PSG04176
PSG04176 - 3V to 5V Ultrasonic Distance Sensor, Rear Header HC-SR04

SN36937

3V to 5V Ultrasonic Distance Sensor, Rear Header HC-SR04

MULTICOMP PRO

This new version of the ubiquitous HC-SR04+ has been engineered to work down to 3V making it absolutely ideal to connect directly to MicroBit or Raspberry Pi GPIO pins using the 3.3V power. Works identically to the standard product although you will notice...

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PELL0053
PELL0053 - Mini PIR Sensor, IP20

LA08665

Mini PIR Sensor, IP20

PRO ELEC

Compact, mini PIR detector supplied with DIP switch. • Supplied with DIP switch • Detection distance: 3m/6m (selectable) • Detection angle: 120°/360° • Time delay: 5s, 30s, 1min./3min./5min./8min. (selectable) • Ambient light: 10 Lux/2,000 Lux (selectable)...

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LM35DZ/NOPB
LM35DZ/NOPB - Temperature Sensor with Analogue Output, TO-92, 3 Pins

SC16265

Temperature Sensor with Analogue Output, TO-92, 3 Pins

TEXAS INSTRUMENTS

The LM35 series are precision integrated-circuit temperature sensors, with an output voltage linearly proportional to the Centigrade temperature. Thus the LM35 has an advantage over linear temperature sensors calibrated in Kelvin, as the user is not requir...

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PELL0296
PELL0296 - LED Floodlight with PIR Sensor, 20W, 1400lm, 6000K, Black, IP44

LA09069

LED Floodlight with PIR Sensor, 20W, 1400lm, 6000K, Black, IP44

PRO ELEC

Compact yet powerful LED floodlight with a built-in PIR sensor for added security. • Adjustable time, sensitivity and lux settings • Robust aluminium body • Daylight white (6000K) LED colour temperature • Fitted with 1m, bare-ended mains cable • Non-dimmab...

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56107
56107 - Mini Prong Soil Moisture Sensor for micro:bit

ED00544

Mini Prong Soil Moisture Sensor for micro:bit

KITRONIK

Mini' prong soil moisture sensor for BBC micro:bit. The Mini Prong soil sensor is a short version of the original Prong sensor that has been specially adapted for use with the Kitronik Greenhouse Kit for BBC micro:bit. This is a sensor board that can be co...

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XF-935-FAR
XF-935-FAR - PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class A, 1 kohm, 1000mm/26awg

SN36896

PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class A, 1 kohm, 1000mm/26awg

LABFACILITY

The XF-935-FAR from Labfacility is a PT100 thin film resistor with 1000mm 26awg wire lead. • Thin film construction Class A • Fast response time • 4 Wire configuration • Suitable for air, surface & immersion applications • Vibration resistant • Temperature...

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XF-936-FAR
XF-936-FAR - PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class A, 1 kohm, 300mm/26awg

SN36897

PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class A, 1 kohm, 300mm/26awg

LABFACILITY

The XF-936-FAR from Labfacility is a PT100 thin film resistor with 300mm 26awg wire lead. • Thin film construction Class A • Fast response time • 4 Wire configuration • Suitable for air, surface & immersion applications • Vibration resistant • Temperature ...

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XF-932-FAR
XF-932-FAR - PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class B, 1 kohm, 500mm/24awg

SN36893

PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class B, 1 kohm, 500mm/24awg

LABFACILITY

The XF-932-FAR from Labfacility is a PT100 thin film resistor with 300mm 24awg wire lead. • Thin film construction Class B • Fast response time • 2 Wire configuration • Suitable for air, surface & immersion applications • Vibration resistant • Temperature ...

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XF-934-FAR
XF-934-FAR - PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class A, 1 kohm, 500mm/26awg

SN36895

PT100 Platinum Sensing Resistance, Thin Film, -50°C to 250°C, Class A, 1 kohm, 500mm/26awg

LABFACILITY

The XF-934-FAR from Labfacility is a PT100 thin film resistor with 500mm 26awg wire lead. • Thin film construction Class A • Fast response time • 4 Wire configuration • Suitable for air, surface & immersion applications • Vibration resistant • Temperature ...

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AMC1200BDWV
AMC1200BDWV - Input Basic Isolated Amplifier for Current Sensing, 200uV, 4.25kV, 2.7V to 5.5V, SOIC, 8 Pins

SC17278

Input Basic Isolated Amplifier for Current Sensing, 200uV, 4.25kV, 2.7V to 5.5V, SOIC, 8 Pins

TEXAS INSTRUMENTS

The AMC1200BDWV is a precision isolation Amplifier with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide galvanic isolation of up ...

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MAX17262REWL+T
MAX17262REWL+T - 5.2uA Single Cell Fuel Gauge with ModelGauge m5 EZ and Internal Current Sensing, 2.3V to 4.9V, I2C, WLP, Li-ion

SC18676

5.2uA Single Cell Fuel Gauge with ModelGauge m5 EZ and Internal Current Sensing, 2.3V to 4.9V, I2C, WLP, Li-ion

ANALOG DEVICES

MAX17262REWL+T is a MAX17262 ultra-low power fuel-gauge IC which implements the ModelGauge™ m5 algorithm. The IC monitors a single-cell battery pack and supports internal current sensing. The IC provides best performance for batteries with 30mAhr to 6Ahr c...

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VDC-PSUWT
VDC-PSUWT - Alarm Door Contacts, White

SR07280

Alarm Door Contacts, White

VENTCROFT SECURITY

The Ventcroft Universal Premium door contact provides with just one unit all common end of line resistor and shunt resistor value combinations and the option to use as a standard 24 hour contact type. Designed for optimum performance without compromise the...

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VOLTSTICK PRO 12V AC
VOLTSTICK PRO 12V AC - 600V Voltage Detector

IN04165

600V Voltage Detector

SAGAB

A non-contact instrument with a unique shielded forked tip for unsurpassed selectivity. Only cables within the fork trigger a response, making it ideal for use within cable bundles. The presence of an AC voltage can be detected without making any disconnec...

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1AC-II
1AC-II - 1000V VoltAlert Voltage Detector

IN04816

1000V VoltAlert Voltage Detector

FLUKE

Senses the steady state electrostatic field produced by AC voltage through insulation without requiring contact to the bare conductor. A red glow at the tip and a beeping noise (if not switched OFF) indicates the presence of voltage. • Voltbeat™ technology...

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TEN01057
TEN01057 - 600V Voltage Detector with Torch

IN04449

600V Voltage Detector with Torch

TENMA

• Non-contact detection of AC voltage from 100Vac to 600Vac • Rugged, double moulded case • Suitable for outlets or against wire insulation testing • Flashing red LED light indicator • Build-in bright flashlight with ON/OFF button • Pocket size with clip...

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V/STICK 24
V/STICK 24 - 230V ATEX Voltage Detector - Blue

IN02469

230V ATEX Voltage Detector - Blue

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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T5-H5-1AC KIT
T5-H5-1AC KIT - 1000V Voltage, Current and Continuity Electrical Tester Kit with Voltage Detector and Holster

IN04322

1000V Voltage, Current and Continuity Electrical Tester Kit with Voltage Detector and Holster

FLUKE

The Fluke T5 Electrical Testers let you check voltage, continuity and current with one compact tool. With the T5, all you have to do is select volts, ohms, or current and the tester does the rest. OpenJaw™ current lets you check current up to 100A - withou...

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1 Kit

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TEN01058
TEN01058 - 1000V Voltage Detector with Torch and Audible Tone

IN05688

1000V Voltage Detector with Torch and Audible Tone

TENMA

• Suitable for outlets or against wire insulation testing • Red LED light & audible tone indicator • Build-in bright flashlight with ON/OFF button • Pocket size with clip • Outer surfaces are non-conductive • For use on 50/60Hz circuits • Rugged, double m...

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