combustible gas alarm Comply with EN50194 standard Brief introduction KAB gas alarm, is designed to detect the concentration of combustible gas, adopts high-quality gas sensor with advanced technology and superior craft. It provides visual and audible signals when the gas concentration, such as LPG, natural gas, coal gas etc., reaches the preset level. It reminds you to take prompt favorable action. You may start up other link equipment, like opening windows or shutting off gas supply, to avoid fire, explosion, suffocation, and other malignant accidents Main features: Micro-processor control, stable and no distorting design Audible and visual alarm at site provided Ventilation and shut off gas supply Comply with standard EN50194 Specifications Working voltage: AC220V ± 15% 50Hz to 60Hz Target gas: combustible gas, such as LPG, natural gas, coal gas Consumption: ≤ 3W Working condition: temperature: 0 to 55 degrees humidity: lesser than 95%RH Response time: ≤ 30s Gas sampling: natural diffusion Alarming level: 10% LEL Alarming method: visual and audible Alarm sound: ≥ 85dB Sensor life: greater than 5 years Weight: about 420g Dimension: (L by W by H) 170 by 100 by 45mm