الوصف

Main features: â—† high accuracy, stable performance, low power consumption, anti-jamming capability â—† send / receive DC***0MA standard signal, using micro-processing system â—† manual / automatic fan and solenoid valve to open, high, low section, failure alarm alarm â—† , undervoltage alarm power protection â—† Detection of gas concentrations in the bright LED display Specifications: â—† Working voltage: AC**0 V ± *0% *0HZ â—† Measurement range: 0 ~ **0% LEL â—† Detection of Gas: gasoline â—† detection principle: catalytic combustion â—† Alarm output: AC**0v 1A normally open â—† Alarm volume: ≥ *0dB â—† Response time: ≤ *0s â—† Recovery Time: ≤ *0s â—† Power: ≤ 3.5W / Road â—† Measurement Error: ≤ ± 3% FS â—† Explosion-proof grade: Exd â…¡ CT6 â—† Electrical Interface: G1 / 2 â—† Operating Temperature: **0 ℃ ~ **0 ℃ â—† using humidity: ≤ *0% RH â—† Backup Time: ≥ 2