Protimeter MMS2 Instruction Manual page 13

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4.1a Using Auxiliary Deep Well Moisture Probes in Measure Mode
To take sub-surface readings in masonry, the deep wall probes should be used
instead of the standard moisture probe. To use the deep wall probes, drill two
1/4" (6 mm) diameter clearance holes, spaced 2-3 in. (50-75 mm) apart, to the
required depth. Push the two deep wall probes into the holes and press and
hold the tips firmly against the bottom of the holes. Ensure that the probes are
connected to socket
Section 4.1, "Pin Moisture Meter - Selection and Use", on page 5.
The most convenient way to take sub-surface readings in wood is by
Note:
using an optional Hammer Electrode.
4.1b Detecting Hygroscopic Salts
The Protimeter MMS2 instrument can be used as a basic salts detector when
used with the moisture probe, filter papers and distilled water (not included).
Moisten the filter paper with the water and take a reference reading across it
with the moisture probe. Then place the moistened filter paper against the
surface of interest and hold in place for 30 seconds. Remove the paper and
place the pins of the moisture probe across the paper again and observe the
reading. Compare this reading with the original reference reading. If the
difference is more than 20 points, there is significant salts contamination that
may warrant further investigation.
INS8800 Rev. D
and measure the
B
Protimeter MMS2 Instruction Manual
value as described in
%WME
7

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