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7.4
Zero calibration at a later point in time
Verify that the submersible probe is not submerged in the medium.
1. Turn the upper part of the control unit clockwise all the way to the stop.
2. Remove the upper part of the housing.
- There are wires between the upper part of the housing and the bottom
part of the housing.
3. Remove the battery connector from the PCB.
4. Connect the lithium battery (see chapter "Connecting the lithium battery").
5. Perform zero calibration (see chapter "Zero calibration").
6. Enter the tank data (see chapter "Entering the tank data").
8
Maintenance
8.1
Maintenance intervals
When
If required
8.2
Maintenance activities
1. Proceed as described in chapter "Connecting the lithium battery".
- The tank data already stored are not cleared when the battery is
replaced.
8.3
Use in flood hazard areas
The product is suitable for use in flood hazard areas; it is watertight up to
10 mH
O (1 bar pressure).
2
After a flood, the product does not have to be replaced.
Maintenance
Activity
Replace the battery
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