3. Product description22
3.2 Voltage supply
Voltage is supplied by means of a 9 V monobloc battery
(included in delivery) or rechargeable battery. It is not
possible to run the instrument from the mains supply or
charge a rechargeable battery in the instrument.
3.3 Humidity measurement
procedure
The non-destructive stray field measurement uses the
ability of water molecules to dampen and thus change
electromagnetic fields. The electric field penetrates the
material via the contact plates and creates a measuring
field with a depth of approx. 5 cm (2”).
The following factors can influence the measurement result:
Factors Ideal condition
Measurement depth Material thickness > 5 cm (> 2
”). Caution: The upper
layers of the material influence the measurement result
more than the deeper layers.
Material surface As level as possible as contact plates should lay flat
against it.
Material properties As homogeneous as possible with no air pockets.
Moisture distribution As even as possible.
Metals and electric fields None, if possible.
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