Gas alarm MS-Kombi KO/liquid gas 12V

1-Sensor-compact device 12V DC for detection of gas (propane, butane, methane) and at the same time for narkosis gas (KO-gas-assault). For the application in the caravan and motor-home with smaller space volume, where the operation of 1 sensor is sufficient, also for truck cabins. Operating thresholds: Butane approx. 0,4 %: propane approx. 0,5 %: methane approx. 0,8 %: narkosis gas starting from approx. 100 ppm. On/Off switch, yellow LED for start-up phase, green LED for operation display, red LED for notification of emergency, electrical hooter with 85 dB (A) /3m.