Replacing The Electrochemical Oxygen Sensor - Siemens ULTRAMAT 23 Manual

10.2.7

Replacing the electrochemical oxygen sensor

Danger of chemical burns
The O
replacing the sensor, its enclosure must not be damaged.
If contact with the acid occurs despite great care being taken, rinse the affected skin
immediately with plenty of water!
Also note that an exhausted or faulty O
and disposed of accordingly!
To replace the sensor, proceed as follows:
1. Unscrew the two screws of the front cover and remove the cover.
2. Unlock the plug of the sensor connection, and remove.
3. Unscrew the O
4. 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.
5. Insert the new gasket.
6. Screw in the new O
7. Reconnect the plug.
8. 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 114).
9. Calibrate the zero point of the new sensor as described in section Calibration: O2
measuring range: Calibrating the O2 zero point (Page 115).
ULTRAMAT 23
Manual, 3/2016, A5E37100388-003
WARNING
S sensor contains acetic acid, which leads to burns on unprotected skin. When
2
sensor out of its holder.
2
sensor must be disposed of as electronic waste with the code number
2
sensor and tighten hand-tight.
2
sensor is hazardous waste and must be packed
2
sensor.
2
Service and maintenance
10.2 Maintenance work
cal. after install" as
2
171