GHM GREISINGER GMK 100, Operating Manual, Page: 7 / 14

H68.0.01.6C-06 Operating Manual GMK 100 page 7 of 14
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6.3 Hold the device
The water content of the hand has an impact on the measuring value, if the device is held
inappropriately.
The best results will be obtained if you lay the device down or hold it the way as shown in picture 3.
Picture 1: Held in a wrong way! Picture 2: laid down
– right!
Picture 3: Held in the right way!
6.4 Characteristics and materials
Material Recommended depth switch setting
rEF Reference characteristics
d.45 Wood, density = 450 kg/m
3
d.50 Wood, density = 500 kg/m
3
d.55 Wood, density = 550 kg/m
3
d.60 Wood, density = 600 kg/m
3
d.65 Wood, density = 650 kg/m
3
d.70 Wood, density = 700 kg/m
3
d.75 Wood, density = 750 kg/m
3
d.80 Wood, density = 800 kg/m
3
d.85 Wood, density = 850 kg/m
3
d.90 Wood, density = 900 kg/m
3
d.95 Wood, density = 950 kg/m
3
d.99 Wood, density = 1000 kg/m
3
bEt Concrete (density
≈ ca. 2.2 to/m
3
) 25 mm
E.ZE Cement screed (density
≈ 2.2 to/m
3
) 25 mm
E.ZC Cement-calcium sulfate-flowing screed 25 mm
E.An Anhydrite screed 25 mm
P.Gi Gypsum plaster 10 mm
P.2 Lime cement plaster 10 mm
You can find a list of different types of wood and their corresponding characteristics d.xx in the
addendum.
The materials are selected with these keys:
material selection upwards: press
Material selection downwards: press at the same time
The use of inappropriate characteristics can cause faulty measurements!