Measuring In Plaster; Moisture Estimation ('Wet' - 'Medium' - 'Dry'); Display Values At Air; Configuration Of The Device - Vwr Rm 20 Bedienungsanleitung

H63.0.21.6C-02_VWR
Frequent sources of errors:
- Attention with oven-dried wood: the moisture dispersion may be irregular, often in the core is more moisture than
on the edge.
Surface-moisture: The wood-edge could be more humid than the core if the wood had been stored outside and
-
e.g. was in rain.
- Wood preservative and other treatment could falsify the measuring.
- Fouling at the connections and round the pikes could result in erroneous measurement, especially with dry wood.

5.6 Measuring in plaster

Press needles into the plaster to detect moisture. Select material „c.08". The more moisture the plaster is containing,
the higher is the display, also keep an eye on the moisture estimation (see chapter below). Attention: Because of the
different consistencies of plasters and the influence damage by moisture, the precision of the measuring is not as
high as the precision when measuring in wood! However 'precise measuring values' aren't necessary in the most
cases -> when moisture appears, it makes large changes in the measuring value compared to dry parts e.g. of the
measured wall, moist sections can easily be detected by the instrument. Also changes in the state
(increasing/decreasing moisture) can be monitored by periodical measurings.

5.7 Moisture estimation ('WET' - 'MEDIUM' - 'DRY')

Additionally to the measuring value, an individual moisture estimation will be displayed simultaneously: The decision
either wet or dry has no longer be affiliated from literature and tables for the most applications. This moisture
estimation is only a guidance value, mainly for joiners/carpenters/floorers use, the final evaluation is depending on
the application of the material. E.g. 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!

5.8 Display values at air

If the probe is not correctly in contact to material, the instrument may display any value!
This is caused by the design and measurement method.

6 Configuration of the device

Follow these instructions to configure the functions of the device:

Switch the device off.

Press and keep it pressed, while turning the device on (press
Release the sort-button not before the first parameter "P.OF" is displayed.

Set parameter with up

Jump to the next parameter by pressing
Parameter Value
Auto Power-Off (turn-off delay) factory setting: 20 min.
.
1 ... 120
0F
Display unit of moisture factory setting: %u
.
%u
%w
Display unit of temperature input factory setting: °C
° (
.
° F
AtC
Automatic temperature compensation AtC
0F
Operating Manual RM 20
or down .
.
Information
Auto Power-Off (turn-off delay) in minutes.
If no key is pressed for the time adjusted here, the device is automatically switched
off (adjustable 1 .. 120 min.).
Auto power-off is deactivated (continuous operation)
Measuring value displayed in moisture %u
Measuring value displayed in water content %w
Temperature input in °C
Temperature input in °F
AtC deactivated:
shortly).
factory setting: on
manual input of temperature.
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