Benning MM 7-2, Operating Manual

Page: 44 / 50

6.4 Replacing the batteries
Maintenance
5235 / 05/2022 en BENNING MM 7-2 44
6.4 Replacing the batteries
The device is powered by three 1.5 V micro batteries (AAA / IEC LR03). Replace the batteries
as soon as they are discharged.
Requirements
• Discharged batteries inside the device (the battery symbol on the digital display is shown
permanently)
• 3 new 1.5 V micro batteries (AAA / IEC LR03)
• Voltage-free device [
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• Suitable Phillips screwdriver
Figure 16: Battery replacement (exemplary)
Procedure
1. Place the device face down (onto an anti-slip surface).
2. Unscrew the two screws of the battery compartment.
3. Lift the battery compartment out of the device.
4. Remove the discharged batteries from the battery compartment and dispose of them
properly [
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5. Insert the new batteries into the battery compartment observing correct polarity.
6. Place the battery compartment back into the device and tighten the two screws.
6.5 Calibrating the device
Benning guarantees compliance with this technical and accuracy specifications stated in this
operating manual for the first 12 months after the delivery date.
To maintain accuracy of the measuring results, make sure that the device is recalibrated in
annual intervals by the BENNING Service [
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