economic gas detector alarm system to use detector gas/LPG/CO protect

 Economic gas detector to detector the gas/LPG/CO alarm system   Gas detector   Specifications of gas detector alarm:   Operating Voltage: DC12V Input voltage: 110V-240V Alarm density: Coal gas: 2000ppm+/- 30%, Liquid petroleum gas: 5000ppm+/-30%, natural gas: 2000ppm+/-30% Induced Gas:   Natural Gas/LPG/CO Power Input :  DC 12V Power Supply: < 140mA Buzzer Level : >70dB/m Alarm Density:  10% LEL Working Temperature :  -15 degree to + 55 degree Working Humidity : <90% RH Alarm Density Error : Within 5% LEL Alarm Mode :  Light & sound alarm Operating Frequency: 433.92 MHZ increase or discrease 2KHZ Size of gas detector: 115mm(L) x 70mm(W) x 40mm(H)     1).adopt MCU 2).wide working voltage 3).support shutoff valve&manipulator     Gas Detector / LPG , LNG alarm system/ Natual Gas Sensor   High reliability sensor Auto reset after alarm MCU processing adopted Auto detect sensor failure Detector gas-natural gas/LPG/LNG SMT design, high stability Wide work voltage Work with electrovalve&manipulator economica gas detector