· Detecting gas: combustible gas, such as natural gas, LPG and coal gas
· Detecting range: 0-100% LEL
· Sampling method: diffuse naturally
· Working condition temperature: -40°C-70°C
· Humidity: less than 95% RH
· Power source: DC 3V (2 pcs AA batteries)
· Battery life: 6 hours when no working, 5 hours when voltage is low
· Working electric current: 140mA on average
· L-alarm: 20% LEL
· H-alarm: 50% LEL
· Response time: less than 10S
· Resume time: less than 10S
· Alarming method: visible and audible
· Alarming sound: greater than 50dB at 30cm