Amprobe DMIII-Multitest Power-Quality-Recorder - Manual (Page 9)

AMPROBE
DMIII MULTITEST
EN-7
3. PREPARATION FOR USE
3.1. INITIAL CONTROL
This instrument has been checked mechanically and electrically prior to shipment.
Care has been taken to ensure that the instrument reaches you under safe conditions.
You are recommended, however, to carry out a rapid check to detect any possible
damage, which might have been caused during transport. Should this be the case,
immediately contact Amprobe.
Also, check that the packaging contains all the parts listed under paragraph 14.5. In case
of discrepancies contact the dealer.
In case you have to send the instrument back please follow the instructions reported in
paragraph 15.
3.2.
POWER SUPPLY
The instrument can be powered by:
 6 batteries 1.5V AA series located in the compartment on the back of the instrument
(not included in the package). For battery life see paragraph 14.3.2.
 An external power supply adapter (code DMT-EXTPS) to be used only for
POWER QUALITY functions. We recommend that you use only DMT-EXTPS
Amprobe Power Supply adapter.
For your own safety you’re not able to use the external power supply adapter during
Safety Test (LOW

, INSULATION TEST, ,GROUND TEST rotary Switch positions).
If you press the START button the Instrument will show the message "

REMOVE
POWER".
The symbol
shows the battery charge: If it is completely "black" the batteries are
fully charged, while the symbol indicates weak batteries. When the batteries are too
low to execute the test the instrument will show a warning message. In this case interrupt
testing and replace the batteries following the procedure described in paragraph 13.2. The
instrument is capable of keeping the data stored even though batteries are not installed.
The Instrument Date and Time settings aren't lost if you change the batteries within
24hours.