Battery Replacement; Using The Protective Case - Benning MM P3 Manual De Operación

9.3 Battery replacement

Before opening the BENNING MM P3, make sure that the device is

free of voltage! Electrical danger!
The BENNING MM P3 is supplid by means of two integrated 1.5 V batteries (LR44).
Battery replacement (see figure 9) is required, if the battery symbol  appears on
the display  .
Proceed as follows to replace the battery:
- Disconnect the safety measuring leads from the measuring circuit.
- Switch the rotary switch 7 to position „OFF".
- Put the BENNING MM P3 face down and unscrew the screw of the bottom part
of the housing.
- Carefully lift off the bottom part of the housing.
Do not unscrew any screws from the printed circuit of the

BENNING MM P3!
- Remove the discharged batteries from the battery compartment.
- Insert the new batteries into the battery compartment observing correct polarity,
(positive pole must point upwards).
- Put the bottom part of the housing back onto the upper part until it locks into place
and then tighten the screws.
See figure 9:
Make your contribution for environmental protection! Do not dis-
pose of discharged batteries via the household waste. Instead, re-

turn them to a collecting point for discharged batteries or special
waste. Please look for information in your community's facilities.
9.4 Calibration
Benning guarantees compliance with the technical and accuracy specifications stated
in the operating manual for the first 12 months after the delivery date.
To maintain accuracy of the measuring results, the device must be recalibrated in
regular intervals by our factory service. We recommend recalibrating the device once
a year. For this purpose, send the device to the following address:
Benning Elektrotechnik & Elektronik GmbH & Co. KG
Service Center
Robert-Bosch-Str. 20
D - 46397 Bocholt

10. Using the protective case

The safety measuring leads can be stored by winding them up and by fastening them
inside the protective case by means of the Velcro fastener.
See figure 10:
02/ 2018
Battery replacement
Using the protective case
BENNING MM P3
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