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Gas Type: Oxygen / Carbon Monoxide / Hydrothion / Combustible Gas
Measuring range: O²: 0~30% VOL / CO : 0~999 PPM / H²S : 0~500 PPM / Combustible Gas: 0~100% LEL
Resolution: 0.1% / 1μmo/1mol(ppm)/1%
Measuring Principle: Electrochemical principle, life for 2 years
Low / High Alarm: yes
Alarm Setting: yes
Alarm: Sound, Light Alarm. Adjustable Alarm values, Alarm sound up to 80 db.
Operating temperature: -10~50℃
Operating humidity: 15%-95%RH (Standard)
Power: 3.7V li-battery
Dimensions: 120.2*64.5*38.3mm
Weight: 200g
