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structural conditions and their chemical treatments (e.g. paints)
with various materials. Thus such measurements should only be
viewed relatively.
Maximum accuracy is achieved between 6% and 30% wood
moisture. In very dry wood (< 6 %) irregular moisture distribution
can be detected, in very wet wood (> 30 %) saturation of the wood
fibres begins.
6.11.3 General instruction for use
The operating principle of the device can only determine the mate-
rial moisture measurement in % and show the moisture content on
the LED display when the material matches the specified internal
material characteristics.
Material relative moisture reference values, in %,
for use with wood:
• Outdoor usage:
• Use in unheated rooms::
• In heated rooms (12°C ... 21°C):
• In heated rooms (> 21°C):
This moisture measuring device is a sensitive tool. This means
that the measurement results may be subject to slight deviations
when someone touches the device with their hand or when contact
is broken between the device and the material being measured.
However, contact with the user's hand forms the basis for cali-
brating the measuring device, so we recommend holding onto the
device whilst taking your measurements.
Functional and operational safety is only warranted when the
instrument is operated within the specified climatic conditions
and is only used for those purposes for which it is designed. The
assessment of measurement results and actions taken as a conse-
quence lie in the user's scope of responsibility, depending on the
given type of work.
12% ... 19%
12% ... 16%
9% ... 13%
6% ... 10%
GB
139
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