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If the thickness of floor screed is less than 30 mm, iron gratings, heating
pipes and other metal can cause an incorrect measuring value. Therefore
please look for a measuring position without any metal in the measuring
field.
The device displays an average value of a layer of 30 mm. The moisture of
deeper layers may be considerably higher than that value.
The water content of deeper layers can only be determined by the CM
method or in a drying chamber.
List of calibration curves
calibration curve
floor screed
CM floor screed
concrete
anhydrite
floor screed
Digit
reference
Information regarding measurements with GE1 basic device
Screed and concrete
The degree of drying and the moisture dispersal can differ significantly.
Therefore we recommend to find out the wettest area by effecting a large
number of measurements with the humimeter GF2. Then knock off the
bottom layer of the wettest area and effect a final evaluation by drying in a
drying chamber or via CM device.
page 4
description
cement screed
normally compacted
cement screed
normally compacted
conversion in CM %
concrete normally
compacted
anhydrite floor screed
normally compacted
! only for device check!
measuring
density
approx.
0.5 to 4.5%
2000kg/m³
approx.
0.2 to 4.0%
2000kg/m³
approx.
0.5 to 5.0%
2400kg/m³
approx.
0.5 to 5.0%
2600kg/m³
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Version 1.0_en
range
0 to 100
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