WOLFF KRL Box Basic Set Traduction Du Mode D'emploi Original page 36

Sensor check
After a certain period of operation, the measurement results of a KRL Box sensor can be influenced by external factors, such as
binding agents in screeds, as the screed sensor is in direct contact with the floor.
To counteract these measurement inaccuracies, we have developed a simple and quick method for checking the KRL Box sensor.
In the "Sensor" section of a selected KRL box, you can see when the sensor
was last checked.
To check the sensor, you will need the following items:
1. Smartphone with the HMBox app
2. KRL Box
3. Test equipment
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