28 GB/IE
must be replaced. Empty batteries can falsify the
measured result.
To insert the batteries proceed as follows:
Open the battery compartment cover
6
on
the back of the product.
Remove the used batteries.
Insert 2 pcs of LR03 / AAA batteries with
observe the correct polarity.
Insert the batteries in the battery compart-
ment
7
and close the battery compartment
cover
6
again, so that it audibly latches into
place.
Note: No button should be pressed while
inserting the batteries.
Start-up
Before you take a
measurement
Ensure that both measuring pins
2
touch the
surface of the material at the same time.
Increase the pressure on the measuring pins
2
for rough surfaces if necessary.
For delicate surfaces complete the measure-
ment on a section that is not in the visible area.
Note: The measuring pins
2
are sharp and
may dent or damage the surface.
Rub the damp residue on the surface before
taking the measurement.
Measure several places and take an average
value.
Be aware that salts can increase the conduc-
tivity of water. This can lead to incorrect
readings and results that are too high.
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