SMARTSENSOR ST8900 四合一气体检测仪 (Oxy / CO / H²S / LEL)

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/mol(ppm)/1% 

Measuring Principle: Electrochemical principle, life for 2 years 

Response Time: <50s

Warm-Up Time: <20s

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: 140*75*43mm

Weight: 249g  

Datasheet

Manual