gas alarm (CO, LPG, CH4)

Description: Freestanding domestic use/wall hanging type can be supplied by power adapter or system. Sound and light alarm function, single interactive output, can automatically shut down solenoid valve after alarm. It has two types which can detect carbon monoxide and methane or carbon monoxide and propane gas. It has black box memory function, which can record all the data in 25 hours before shut off. Power supply: A/C adapter or system controller Operation voltage: DC15V30V Operation temperature: 0-55 centigrade Operation humidity: ≤95%40 Operation atmosphere pressure: 86kpa106kpa*101kpa is standard atmosphere pressure. Repeatability: methane ±3%LEL, carbon monoxide ±50×10-6 Response time: ≤30 seconds Warm-up time: 120 seconds Sensor lifetime: Under normal atmosphere condition 5 years (semi-conduct sensor) Alarm setting: methane 6%LEL, carbon monoxide 150×10-6