Introducing the H-400 Residential Gas Detector

The Gas Sense H-400 Residential Gas Detector provides a dependable solution for monitoring CH4, LPG, CO, and refrigerant gases in residential settings.

Designed for simplicity and efficiency, the H-400 delivers maximum value without unnecessary complexity. It features a single alarm level with an SPDT relay, easy silencing functionality, and hassle-free maintenance—making it the perfect choice for any residential application.

Manufactured in Europe, every single H-400 detector undergoes our rigorous three-stage testing procedure, ensuring accuracy and reliability.

Enjoy the seamless operation of the H-400 with no annoying beeps, false alarms or battery checks—just reliable gas detection when you need it.

Specifications: 

✅ Available gases: Methane (CH4), LPG, Carbon Monoxide (CO), CH4+CO, A1, A2 and A3 Refrigerants
✅ Sensor type: Catalytic (CH4, LPG), Electrochemical (CO) and Semi-Conductor (Refrigerants)
✅ Relay output: SPDT, 230V/2A
✅ Operating voltage: 230V/50Hz
✅ Power consumption: 5W
✅ Sound signalization: Differential >85dB
✅ LED indication - Normal Operation, Alarm and Fault
✅ Operating temperature: -10 ÷ +50˚С
✅ Humidity range: 30 ÷ 90% RH
✅ Pressure: atmospheric ± 10%
✅ Dimensions: 130 х 95 х 38mm
✅ Weight: 0.150 kg
✅ Ingress protection rating: IP42
✅ Compliance: СЕ

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