Reference Gas settings
■ Access is password protected. Select the
channel fitted with the catalytic sensor
(Channel selection, see Figure 39).
■ Select the Reference Gas as necessary:
- Choose another gas from the list and
click on Programming combustible gas
(Figure 40: programming combustible
gas.
- Click Exit.
Figure 40: programming
combustible gas
Calibration menu
■ From the Maintenance menu
(Figure 38), select Calibration.
■ Choose the sensor to calibrate.
■ Set the maintenance interval.
■ Enter the calibration gas
concentration value (shall be
between 15 and 100% of the
sensor range).
■ Click Zero to start the procedure.
Follow the software instructions.
You will be asked first to inject
Zero Air and then Calibration
Gas.
Figure 41: Calibration menu
Once the calibration is complete,
click OK to validate. If you miss
something during the calibration,
click Cancel and start the calibration
again.
Once you have confirmed the
calibration is complete, the BM
25/25W will notify whether the
sensor passed or failed the
calibration. In the event of a failure,
repeat the calibration process or
proceed with the sensor
replacement.
Figure 42: confirming Calibration
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