combustible gas detector

combustible gas detector,Gas Leak detector,Gas Alarm,electrovalve,electromagentic valve Model No.AK-200A with DN25 electrovalve- Power supply: AC220V 50MHz- Start warm-up current: ≤ 60MA- Working voltage: 6VDC- Static current: ≤ 40MA- Alarm current: ≤ 150MA- Static consume: <1W- Alarm consume <2W- Alarm volume: ≥ 90dB-Working environment: Temperature: -15C 50C; Humidity: ≤ 97%RH- Alarm density: Coal gas: 1000 5000ppm, Liquid petroleum gas: 1000 5000ppm, natural gas: 1000ppm 5000ppm- Responding time: ≤ 30S- Alarm output: Frequent on or off signal, control exhaust fan, electrical magnetic valve signal.The gas alarm:Certificate of Conformity NO.: KA0604049S Test Standards: EN 60950-1: 2001+A11: 2004 EN 50194: 2001The Shut-off Valve Certificate of Conformity NO.: KA0612018 Test Standards: EN 61000-6-3: 2007 EN 61000-6-1: 2007