Product Description 

 GJX-optical interference methane test correction of the instrument is pressure communication principles developed. Mainly used for the calibration of optical interference methane measuring device accuracy and airtightness. 

 Technical parameters 


 Measuring range: (0 ~ 100)% CH4 
 Basic error: to half the basic error of the instrument is calibrated 
 Tightness: 700mmH2O (7000Pa) under pressure for 5min, the pressure drop ≤ 10Pa 
 Power voltage: AC220V/50Hz 
 Dimensions: 1335 mm × 260 mm × 180mm 
 Water column scale height: 750mm 
 Weight: 8kg