PDM PRO CO User Manual Sustainable Single Gas Detector D e t e c t i o n D e t e c t i o n Contents Contents Description Warning Maintenance Sensor replacement Battery replacement Limited Warranty...
• This device is not an analyzer, but a gas detector. • If calibration and self-test fails continuously, please do not use the device and contact a WatchGas distribu- tor. • Clean detectors with a soft cloth and do not use chemical substances for cleaning.
-Replacement of components can invalidate the intrinsic safety function. Replacing thesensor and battery should be performed by authorized sellers, agents, distributors, or safety managers. -The sensors published by WatchGas should be used for replacement. Product: Rechargeable Li- ion(polymer) power supply unit (500mAh) -Service task is limited to only for sensors &...
3. Remove the 2 screws on the PCB Board. 4. Carefully replace with the new sensor provided by the authorized dealers or WatchGas. 5. Ensure the sensor pins are matched with the above image and the sensor is aligned with the PCB board.
D e t e c t i o n 2. Limited Warranty WATCHGAS warrants this product to be free of defects in workmanship and materials-under normal use and service-for two years from the date of purchase from the manufacturer or from the product’s authorized reseller.