7
MEP USER GUIDE
8. To freeze readings press the HOLD/AUDIO but-
ton once. While on Hold, the LED for the selected
scale will flash slowly. This facility is extremely
useful if readings are being taken in areas where
it is difficult to see the instrument dial. To remove
freeze, press the HOLD/AUDIO button again.
WORKING WITH YOUR MOISTURE ENCOUNTER:
Scale 1
Testing wood and wood products
a. When testing wood, power-on, select Scale 1 and
press the rubber electrodes directly to the sur-
face. Read the moisture percentage from the top
line of the analog dial where calibration is marked
from 5% to 30%. If switched on, the audio signal
will sound when readings are above 18%.
b. If possible, always take readings with the length
of the instrument parallel to the direction of the
wood grain.
c. Calibration tests were carried out by Forbairt,
the Irish Institute for Industrial Research and
Standards, and are based on Douglas fir, which
has a published specific gravity (SG) of 0.50. For
wood having an SG other than 0.50 see “Notes on
Specific Gravity” and “How to use the Wood SG
Adjustment Tables” on page 13.
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