Amprobe DM-4 Power-Quality-Recorder User Manual
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3. PREPARING THE INSTRUMENT
3.1 INITIAL CHECK
This instrument has been checked before shipment from an electrical and mechan-
ical point of view. All possible precautions have been taken in order to deliver it in
perfect condition. Notwithstanding, on receipt of the instrument we suggest that
you check it summarily to make sure that no damage has occurred in transit.
Should you find irregularities, please contact the carrier immediately. Furthermore,
make sure that the parcel contains all the accessories and parts listed on Table
13.3.1. In case of discrepancies, please contact your dealer. Should it be neces-
sary to return the instrument to the supplier, please keep to the instructions given
at paragraph 16.1.
3.2 INSTRUMENT POWER SUPPLY
The instrument can be powered by:
• 8 batteries 1.5V AA located in the compartment on the back of the instrument
• An external power supply code DM-4EXTPS supplied with the instrument
(standard accessory).
m
3.3 CALIBRATION
The instrument complies with the standards mentioned in this manual. Its perform-
ance is guaranteed for one year from the purchase date.
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DM-4 Power Quality Recorder
CAUTION
For recordings ALWAYS use the external power supply (even though the
instrument allows the operator to perform a recording using internal batteries).