Maintenance; General Information; Battery Replacement - Tenmars TM-87 User Manual

5. MAINTENANCE

5.1.

GENERAL INFORMATION

This is a precision instrument. To guarantee its performances be sure to use it according to
these instructions and keep it stored on suitable environmental conditions Do not expose it to
high temperatures or humidity or direct sunlight. Be sure to turn it off after use. If you
expect not to use the instrument for a long period remove batteries to avoid leakages of
battery liquid which could damage its inner components.
5.2.

BATTERY REPLACEMENT

When the low battery indication "
Only skilled technicians can open the instrument and replace batteries.
Before removing batteries disconnect the test leads from the input terminals
to avoid electrical shocks.
" is shown the battery it's to be replaced.
CAUTION
Fig. 10: Battery replacement
18
LEGEND:
1. Disconnect the test leads from the
input terminals.
2. Remove the fixing screws from the
back case and detach it.
3. Remove the battery replacing it with
new one (9V NEDA1604, JIS006P,
IEC6F22) respecting the polarity
signs and replace the back case
and screws. Use the appropriate
battery disposal methods for your
area.
TM-87/TM-88