alarms

SPARKFUN ELECTRONICS

Simple sensor board with Qwiic connector suitable for measuring the moisture in soil and similar materials. The two exposed pads act as probes and function as a variable resistor; the more water in the soil, the lower the resistance. • Simply connect the V...

MULTICOMP PRO

MP780768 from Multicomp Pro is a professional grade voltage detector, designed with IP67 dust & water resistance and drop proof up to 2 metres. This durable device is suitable for use in harsh environments and includes a unique vibration mode. Applicatio...

KEWTECH

Single-pole hazardous voltage and phase indication. • Meets international safety standard BSEN61010-1:2010 • Safe live phase detection • Flashing red front section plus audible warning indicates greater than 50V AC is present • Slow flashing blue LED with ...

TEXAS INSTRUMENTS

The LM809M3-3.08/NOPB is a 3-pin Microprocessor Supervisory Circuit with active-low RESET output. The supervisory circuit can be used to monitor the power supplies in microprocessor and digital systems. It provides a reset to the microprocessor during powe...

KEWTECH

UK-specific slender probe tips to GS38 and with no need to swap ends. • AC and DC voltage tests up to 690V • LED column lights up even without batteries • Designed to the international safety standards IEC 61243-3:2014 • Clear LED indication • Continuity t...

DI-LOG

The Non-Contact Voltage Detectors from Di-LOG offer advanced features enabling to be utilised for many applications across the maintenance, plumbing and electrical industry. With a CAT IV 1,000V safety rating, the DL10x Series give the user a high level of...

MULTICOMP PRO

MP780770 from Multicomp Pro is a professional grade magnetic field and voltage detector, designed with IP67 dust & water resistance and drop proof up to 2 metres. This durable device is suitable for use in harsh environments and is able to detect magnetic ...

KEWTECH

Clear, bright and slender - the KT1780 is the ultimate voltage detector. • AC and DC voltage tests up to 690V • Clear, oversize, luminous LED indication • Soft to touch overmoulded rubber body • Continuity Test • Self diagnostic test • Single-pole phase te...

MULTICOMP

This version of the ubiquitous HC-SR04 has been engineered to work down to 5V making it absolutely ideal to connect directly to MicroBit or Raspberry Pi GPIO pins using the 5V power. • Operating voltage: 5V • Operating current: 15mA • Sensor angle: 15°C • ...

PRO POWER

• General purpose signal and alarm cables • Ideal for use in alarm installations or where low Voltages are used • Copper-coated aluminium conductors

KEMO ELECTRONIC

A rain sensor module that switches on a relay when it gets wet. Sun blinds may be retracted with that and skylights may be closed or a simple rain alarm can go off. The automatically heated surface of the sensor prevents any freezing or wetting of the sens...

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...

CEBEK

When the sensor on this device comes into contact with the liquid, an external device can be switched on via a relay. Alternatively, the system can be set up to switch off when the sensor comes into contact with the liquid. The relay can be connected to de...

DI-LOG

• Alarm sounds and red LED light flashes when microwave leakage is detected • Large, clear backlit LCD display for easy reading • Microwave leakage detection 0-0.99mW/cm² • Alarm level at 5.0mW/cm² • Leakage volume displayed in mW/cm² with 0.01 resolution...

KEMO ELECTRONIC

Whenever two bare wires have contact with water, the light emitting diode will light up. The device is suitable to release an alarm in case of overflowing water in barrels or gutters. Supplied in kit form. • Operating voltage: 9V DC • Power consumption: 15...

SEEED STUDIO

Grove - DHT11 temperature & humidity sensor is a high quality, low-cost digital temperature, and humidity sensor based on the DHT11 module. DHT11 is the most common temperature and humidity module for Arduino and Raspberry Pi. It is widely favoured by hard...

SEEED STUDIO

Grove - soil moisture sensor can measure soil moisture for plants. The soil moisture sensor consists of two probes that allow the current to pass through the soil and then obtain resistance values to measure soil moisture content. It can be used to decide ...

PANASONIC

EKMC1601112 is a VZ series high-sensitive human detection PIR motion sensor. The high-density embedded circuit design eliminates external sensing circuits. Advantages include reduced development and design schedules. Reduction of current consumption allows...

MULTICOMP PRO

PSG04177 is an ultrasonic distance sensor. It has been engineered to work down to 3V making it absolutely ideal to connect directly to Micro Bit or Raspberry Pi GPIO pins using the 3.3V power. Works identically to the standard product although you will not...

GROOV-E

A clean, simple design with a large and friendly display. Charge your clock radio to make it portable and take it on the go with up to 9 hours playback! Now you can enjoy the Radio Curve in your home and outdoors. • USB or Battery operated • Rechargeable b...

KEWTECH

Professional installation certificates for fire alarm systems. • 2x Fire alarm design certificates • 4x Fire alarm installation certificates • 4x Fire alarm commissioning certificates • 4x Fire alarm acceptance certificates • 3x Fire alarm modification cer...

KEWTECH

Complete log book for on-site Fire Alarms. Gives reference advice and contains the essential details of your system as well as the fire alarm testing register. • Covers your legal obligations • Everything in one document • Site information • Locations of w...

LABFACILITY

XF-931-FAR is a thin film platinum resistance Pt100 detector with extended leads. • 2 x 10mm detector dimensions (WxL) • Class B tolerance • 2 wire configurations • 300mm/24awg lead • Suitable for air, surface & immersion applications • Vibration resistant...

TESTO

The Testo 317-3 CO monitor detects the presence of carbon monoxide (CO) in ambient air and warns the user both visually and audibly about dangerous CO concentrations during furnace and boiler service and maintenance, weatherization audits or home inspectio...

KIDDE

Sleek, lightweight CO alarm with non-replaceable, sealed-in Lithium batteries for ten years of continuous protection – meaning the user never needs to change the batteries for the full duration of the alarm’s life. • Sealed-in Lithium batteries – will last...