Amprobe DMIII-Multitest Power-Quality-Recorder - Manual (Page 77)

AMPROBE
DMIII MULTITEST
EN-75
13. MAINTENANCE
13.1. GENERAL INSTRUCTION
1. The tester you have purchased is a precision instrument. Strictly follow the instructions
for use and storage reported in this manual to avoid any possible damage or danger
during use.
2. Do not use this tester under unfavourable conditions of high temperature or humidity.
Do not expose to direct sunlight.
3. Be sure to turn off the tester after use. If the instrument is not to be used for a long
period you are recommended to remove batteries to avoid acid leakage which may
damage the internal circuits of the instrument.
13.2. BATTERY REPLACEMENT
The symbol shows the battery charge: If it is completely "black" the battery are full
charge, while the t symbol indicate weak batteries. When the batteries are too low to
execute the test the instrument will show a warning message.
In the case interrupt testing and replace batteries according the following the procedure.
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.
ATTENTION
Only skilled technicians can perform this operation. Before replacing batteries
make sure that all test leads have been disconnected from input terminals.
1. Switch OFF the instrument.
2. Remove all the test leads from the input terminals.
3. Unscrew the fixing screws from the battery compartment cover and remove it.
4. Remove all batteries replacing them with 6 new ones of the same type (1.5V
– LR6 –
AA – AM3 – MN 1500) respecting the polarity signs.
5. Fix the screws on the battery compartment cover. Then put the holster on.
13.3. INSTRUMENT CLEANING
Use a soft dry cloth to clean the instrument. Never use wet cloths, solvents, water, etc.