Pr oject location of monitor – Humboldt HC-2939 Displacement Crack Monitor User Manual
Page 3
Taking Readings:
Slide the ruler into the slot in the top plate until it fits
into the raised panel on the bottom plate.
Displacement Monitoring:
Wher
e the r
ed scal on the
ruler pr
ojects fr
om the top plate take a r
eading and
mark the r
esults below
.
Horizontal Monitoring:
Wher
e the r
ed line at the cen
-
ter of the ruler coincides with the black scale on the top
plate, take a r
eading of
f the black scale and mark the
results below
.
Pr
oject
Location of Monitor
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