Gas leak detectors

The learning kit for MQ series gas sensor modules includes the modules MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9 and MQ-135 and is suitable for air quality detection with Arduino ESP8266/32.

Carbon Monoxide Detector, Carbon Monoxide Detector with Digital Display and Audible Alarm, Battery Powered (No batteries included)

Combined smoke and carbon monoxide detector with digital display, battery-operated smoke and carbon monoxide detector--DTEKGAZ

Portable Gas Leak Detector, Combustible Gas Detector with Audible and Visual Alarm for All Kinds of Combustible Gases, Propane, Methane, Natural Gas

vhbw Battery Replacement for Testo 0515 0097 for Gas Detector (2000 mAh, 4.8 V, NiMH)

vhbw Battery compatible with Testo 454 Control, 350 Control Gas Detector (2000 mAh, 4.8 V, NiMH)

Carbon Monoxide Detector, Carbon Monoxide Detector with Digital Display and Audible Alarm, Battery Powered (No batteries included)

Carbon Monoxide Detector, CO Gas Monitor Alarm Detector, CO Sensor with LED Digital Display for Home, Warehouse, Battery Powered

Leak detector, small sound detector, wall-mounted radio amplifier.

Carbon Monoxide Detector, Carbon Monoxide Detector with Digital Display and Audible Alarm, Battery Powered (No batteries included)

Carbon monoxide detector with replaceable battery and LED digital display, CO alarm for home safety, portable CO monitor for indoor use

85 dB Gas Detector for Town Gas, Natural Gas, LPG, Propane, and Gas Alarms. Plug-in gas alarm with flashing light and digital display for home, kitchen, restaurant, hotel, school

Carbon Monoxide Gas Detector Alarm Detector CO2 Alarm Detector Powered by Other Battery with LCD Display Voice Warning -

Carbon Monoxide Alarm Detector Battery Powered CO Alarm Detector with LCD Display Voice Warning

Domestic natural gas/liquefied gas leak detector alarm, independent combustible gas sensor for kitchens

Gas Detector Digital Carbon Monoxide (CO) Detector, 1 Pack, Battery Operated Alarm

Natural gas and anesthetic detector – 115 x 75 x 35 mm – 220 V – White

Carbon Monoxide Detector, Carbon Monoxide Detector, Carbon Monoxide Detector with Digital Display and Audible Alarm, Battery Powered (No Batteries Included)

Leak detector, small sound detector, wall-mounted radio amplifier.

3 En 1 Détecteur de gaz CO2, Analyseur de température et d'humidité, plage de mesure du détecteur 400-5000 PPM testeur d'air intelligent avec affichage, Blanc

Carbon Monoxide Detector with LED Display/Electronic Sensor, Carbon Monoxide Alarm Detector，(Round)Smoke Detector

Gas detector and d’incendie wifi with sensor of heat Alarm 70 db, notifications mobile, compatible Smart Life

Set of 3 battery-operated carbon monoxide detectors with digital LCD screen for home, kitchen, restaurant, hotel, office - Batteries not included

Carbon monoxide detector, carbon monoxide detector with audible alarm (AA batteries not included).

Detector of natural gases and soporifics (Blanc)115x75x35mm 220V,

Carbon Monoxide Detector, Smart CO Detector with LCD Display, with Test Button and LED Status Indicator (1PC, 10x3.7 cm) - Bluedeer

Gas Detector Combination Carbon Monoxide Smoke Detector Battery Operated CO Smoke Detector with LED Flash Display Screen Audible Alarm Audible Warning Pattern

Air Quality Detector, Smoke Detector with Digital Display – 85db Sound Alert for Home, Office and Security

Ikodm Carbon Monoxide Detector with Replaceable Battery, LED Digital Display, CO Alarm for Home Security, Portable CO Monitor for Indoor Use

Carbon monoxide detector with digital display and audible home alarm, battery powered (excluding AA battery), independently mounted

Certified EN 50291 Carbon Monoxide Detector, CO Detector with Digital Display, Replaceable Battery,

Carbon monoxide detector, CO detector, battery-operated carbon monoxide alarm with LCD screen

Détecteur de monoxyde de carbone LCD domestique, alarme CO, détecteur de CO

Bluedeer – Round Carbon Monoxide Detector – LED Display – Electrochemical Sensor – 85 dB Alarm – Easy Wall Installation

Freon Leak Detector Halogen Leak Detector Refrigerant Gas Tester HVAC Air Conditioner R22 R410A R134A CFC HCFCs HFCs Indicator High Precision WJL-6000

3-in-1 CO2 Gas Detector, Temperature and Humidity Analyzer, Detector Measurement Range 400-5000 PPM, Smart Air Tester with Display, White

Gas detector, LPG/natural gas/coal gas leak detector, plug-in sensor monitor with audible alarm and LED digital display, combustible methane, propane

Gas Detector Carbon Monoxide Gas Detector Sound and Light Alarm 601 White Yellow

Explosive and flammable natural gas detectors, propane alarms for home kitchens

AC 220V Standalone Coal Gas Leak Detector with Natural Gas Alarm, NC/NO Relay Output

Carbon monoxide and gas detector

Portable Carbon Monoxide Detector with Digital Display – White CO Alarm for Home, Garage and Heating

Gas detector, LPG/natural gas/coal gas leak detector, plug-in sensor monitor with audible alarm and LED digital display, combustible methane, propane

Combination Gas Detector Carbon Monoxide Smoke Detector Battery Operated CO Smoke Detector with LED Display Flash Audible Alarm Sound Warning Pattern

Freon Leak Detector Halogen Leak Detector Refrigerant Gas Leak Tester HVAC Air Conditioner R22 R410A R134A CFC HCFCs HFCs Indicator High Precision WJL-6000

Freon Leak Detector Halogen Leak Detector Refrigerant Gas Tester HVAC Air Conditioner R22 R410A R134A CFC HCFCs HFCs Indicator High Precision WJL-6000

Smart WiFi Gas Detector, Natural Gas/Methane/LPG/Carbon Monoxide Leak Alarm with LCD Screen, 85dB Alarm, APP Compatible

AC 220V Standalone Coal Gas Leak Detector with Natural Gas Alarm NC NO Relay Output

Carbon Monoxide Detector with LED Display/Electronic Sensor, Carbon Monoxide Alarm Detector，(Round)

Gas detector, natural gas, gas leak detector, butane-methane-propane gas detector, flashing light alarm, plug-in gas alarm for kitchen - 1 FLITI unit

Set of 2 battery-operated carbon monoxide detectors with digital LCD screen for home, kitchen, restaurant, hotel, office - Batteries not included, by DEBUNS

Gas Detector, Combined Carbon Monoxide Smoke Detector, Battery Operated CO Smoke Detector with LED Display, Flashing Alarm, Audible Warning Pattern - White