H60.0.11.6C-16
Operating Manual GMH 3830
Page 9 of 18
_____________________________________________________
_____________________________________________________________________________
5.7 Measuring of materials, having no characteristic curves stored
Choose the representative universal material group „h.A“, „h.b“, „h.c“ and „h.d“(for example corresponding to
A,B,C and D of the GHH91) if a conversion table exists.
Attention: The moisture evaluation wet/dry of these material groups is only valid for wood!
Please keep in mind the following when using the temperature-compensation:
Automatic temperature-compensation should always be activated when measuring wood (Act on), with all
other materials the automatic temperature-compensation should be switched off (Act off) and a manual
temperature of 20°C should be entered.
Additionally at GMH 3850:
The GMH3850 can store up to 4 additional user characteristic curves. For this
the corresponding reference point measurements for the respective material has to be carried out, from
which the exact moisture content has to be dedicated with the Darr-Probe or the CM-Method. The Results
can be stored in the device with the help of the GMHKonfig-Software, and can be accessed by the device
directly.
6 Hints for special functions
6.1 Moisture evaluation ('WET' - 'MEDIUM' - 'DRY')
Additionally to the measuring value, an individual moisture estimation will be displayed simultaneously. This
moisture evaluation is only a guidance value, the final evaluation is depending on the application of the
material e.g:
Cement floor pavement ZE, ZFE without additives: Readiness without floor heating at 2,3% with floor heating 1,5%
Anhydrit floor pavement AE, AFE:
Readiness without floor heating at 0,5% with floor heating 0,3%
Also firewood may be already usable while instrument still displays ‘wet’!
Corresponding Standards and Instructions must be observed!
The Device can only complement the skill of a tradesman or investigator but cannot replace it!
6.2 Pre-selection of favourite materials ('Sort')
A pre-selection of different materials (up to 8) can be selected from the menu for an effective working with
the device. For example you can set the Menu Sort to 4 and save the desired materials in Sor.1, Sor.2, Sor.3
and Sor.4 if you only measure 4 different materials. Please refer to chapter limitation of the material
selection.
Only the 4 desired materials can be selected via the buttons up and down, when exiting the menu, a
changing during the measurement can be done comfortably. All materials will be available when setting Sort
to off. Sor.1 to Sor.4 will still be available in the ‘background’, when setting the menu Sort to 4 the limited
selection of the 4 entered materials will be active again. You only want to measure one material: set the
menu Sort to 1 you cannot change to another material, thus a faulty operation is impossible.
