LaserLiner DampCheck Operating Instructions Manual page 9

4
To measure material moisture
Dry/wet indicator
In addition to the numerical moisture value, the LEDs (green, yellow
and red) provide a rough estimation whether the material is dry
(green), moist (yellow) or wet (red).
Wood
The location to be measured should be
untreated, free of knots, dirt and resin.
Measurements should not be made on
the end faces of wood because these
areas dry particularly quickly such that
they produce incorrect measurement
results.
Wood moisture measuring range
< 6%
≥ 6% to < 16%
≥ 16% to < 20%
≥ 20%
The following types of wood in Group A can be read off directly:
beech, linden, willow, ebony and teak. A correction factor of 2 - 3%
must be added when measuring types of wood in Group B
(oak, maple, alder, spruce, birch).
Wood with a relative material moisture level greater than 20%
!
should not be used for burning. The optimum calorific value of
wood is achieved at a level of <15%.
Mineral building materials
Be aware that walls (or surfaces) made
of several different materials, or even
variations in the material's consistency,
can cause measurement results to be
falsified. Perform multiple comparative
measurements.
Building moisture measuring range
< 0,2%
≥ 0,2% to < 0,7%
≥ 0,7% to < 0,9%
≥ 0,9%
DampCheck
All LEDs off
Green LED flashing
Yellow LED flashing
Red LED flashing
All LEDs off
Green LED flashing
Yellow LED flashing
Red LED flashing
09
EN