Hand-held type CO monitor / alarm

Measurement Range: 0 to 2500ppm
Indicating Accuracy: +/-5% at full scale at time of calibration
Response Time Required: 90% within 20 sec
Operating Temperature Humidity Range: -10 to 40oC at relative humidity of 30 to 95%

General Description:
Automatic span calibration with one touch operation Automatic zero level adjustment Large and easy to read digital display Data logging function Available in three types (A,B and C) for different application of CO concentration range