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Service and maintenance
10.2 Maintenance work
5. Remove the gasket of the O
The exhausted O
160215 "Dangerous component removed from used equipment". It must therefore be
disposed of correctly and in an environmentally-friendly manner by a local waste disposal
company.
6. Insert the new gasket.
7. Screw in the new O
8. Reconnect the plug.
9. Enter the date of installation of the new sensor in the menu item "O
described in section Calibration: O2 measuring range: Sensor inst. date (Page 117).
10.Calibrate the zero point of the new sensor as described in section Calibration: O2 measuring
range: Sensor inst. date (Page 117).
10.2.9
Replacing the hydrogen sulfide sensor
Danger of poisoning
The replacement of the sensor module represents interference in the gas path. The sample gas
circulating therein may contain toxic components that lead to death in certain concentrations.
To ensure that the sample gas path is free of toxic material when replacing the sensor module,
the gas path must be flushed with ambient air or nitrogen for a period of about 10 minutes
before performing the task.
Danger of electric shock
The device will be open when the sensor is being replaced. This means present dangerous
contact voltage will be present, which can lead to electric shock.
For this reason, the sensor module may only be replaced when power is off.
174
sensor must be disposed of as electronic waste with the code number
2
sensor and tighten hand-tight.
2
DANGER
WARNING
sensor.
2
cal. after install" as
2
Equipment Manual, 04/2022, A5E37100388-012
ULTRAMAT 23
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