SMARTSENSOR AS8805 Sulfur Dioxide Gas Detector (0-20ppm, -10 ~ 50℃)

Gas Type: Sulfur Dioxide ; 

Sensor: Electrochemical Sensor ,Two-year Life;  

Resolution: 1ppm ; 

Measure Range: 0-20ppm T90 30se ; 

Alarm Value Can be Set ;

Low / high concentration alarm; 

OperatingTemperature: -10~50℃; Auto/Manual Power Off;

Low Concentrationalarm; 

3.7V Rechargeable Lithium-ion Battery;                          

Battery Working Runtime: 60 Hours ;