HT instruments HT39 - Manual (Page 19)

HT37 - HT39
EN - 18
5. MAINTENANCE
5.1. GENERAL INFORMATION
1. 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.
2. Do not expose it to high temperatures or humidity or direct sunlight.
3. 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 the its inner
components.
5.2. BATTERY REPLACEMENT
When the symbol "
" is displayed, batteries need replacement.
CAUTION
Before replacing batteries disconnect the test leads from any energized
circuits to avoid electrical shocks.
LEGEND:
1. Turn OFF the meter and disconnect
the test leads from the input
terminals.
2. Remove the protective holster from
the meter.
3. Unscrew the battery cover and
remove the battery.
4. Insert a new battery of the same
type (9V NEDA1604, JIS006P,
IEC6F22) observing the proper
polarity, re-screw the battery cover
and reposition the protective holster.
Fig. 11: Battery replacement