To perform Span Calibration:
Config Mode Calibration Menu Span Calib
Select Sensor as for Bump Test Span Calib
• Apply gas to gas inlet, on the top of
the unit.
• Press Start and wait for the count-
down timer and calibration result.
• Switch off the gas and exit Calib Mode.
Maintenance and Service
For pumped units, replace the inlet filter a
regular basis, especially when used in high-dust
environments. For battery or sensor replacement
and other maintenance or services, please contact
WatchGas or refer to the User Manual.
V1.23
WatchGas
Sextantstraat 61
2901 ZZ Capelle aan den IJssel
The Netherlands
+31 (0)85 01 87 709
D e t e c t i o n