Merlin HM9 Manuel D'utilisation page 83

Operation
▼ Measuring process 5 mm sensor:
If you have selected the desired wood type,
press the device with appropriate pressure
(approx. 4 kg) longitudinally on the wood
piece in the fibre direction.
Note: Different results may be achieved if
measurements are taken transversely to the
fibre direction.
▼ Hold the measuring device with one hand.
Note: The sensor surface on the underside
of the housing should not be touched. Make
sure that the entire sensor surface rests on the
wood.
▼ Now you can read the wood moisture val-
ue of the specimen on the display.
82
Wood moisture meter