SMARTSENSOR ST8904 Multi-Gas Detector (H2s, O2, CO, LEL)

Detection of Gas :Oxygen/Hydrothion /Carbon Monoxide /Combustile Gas Detector         

Measuring Range: O2 (0-30% VOL)  ;CO(0-999PPM);H2S(0-500PPM);Combustible Gas:0-100% LEL ;

Basic Error :±0.1% ;

Response Time:<50s;

The Principle of sensor :Electrochemical principle ,life for two years ;

Alarm : Acoustic ,optical double alarm can set the alram value ,an alarm sound is divided into 80dB;

Working Temp: -10-40℃;  

Working Humidity : 0-95RH(Non-Gel)