Proceed as follows to install the new sensor:
1. Tighten the new H
2
S sensor by hand in the holder up to the mechanical limit
Figure 10-3 Position of the H
2
S sensor in the analyzer
2. Plug the cable with the connector onto the sensor.
3. Close the analyzer by screwing tight the cover.
4. Switch the analyzer on and wait for the warming-up phase.
5. Check for leaks in the device.
This is described in section Leaks in the gas paths (Page 80)
6. Calibrate the H
2
S sensor as described in section Calibration: H2S sensor (Page 120)
7. Enter the installation date with the menu command "H
2
S Installation date".
The analyzer is then ready for use again.
Service and maintenance
10.2 Maintenance work
ULTRAMAT 23
Equipment Manual, 04/2022, A5E37100388-012 177
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