Calibration Interval; Battery Replacement - Unitest Polaris 3plus Manual De Instrucciones

5.2 Calibration Interval

The voltage testers must be aclibrated periodically and chec-
ked by our service department at regular intervals to ensure
the specified accuracy of measurement results. We recom-
mend a calibration interval of one year.

5.3 Battery Replacement

If the symbol
ge Testers or if no acoustic signal is audible when short-cir-
cuiting the test probes, the battery must be replaced.
Completely disconnect Polaris 3 plus Voltage Tester
from measurement circuits.
Carefully push the battery case towards the rear by in-
serting a screwdriver in the slot located on the instru-
ment side.
Remove discharged battery.
Insert new battery, type 9V IEC 6LR61 while ensuring
correct polarity.
1.
is displayed on the Polaris 3 plus Volta-
2.
33