Safety Calibration Process for Low-Concentration Infrared Methane Sensors and Wind Speed Sensors in Coal Mines
1. Calibration of “Zero Position”After preheating the sensor for 20 minutes, connect the sensor gas chamber to the air sample bag using a rubber hose → Use the remote control to set the sensor to the “zero display interface” → Open the calibration gas sample bag, adjust the flow meter to the flow and ventilation … Read more