HT instruments HT327 - Manual (Page 17)

HT327
EN - 16
5. MAINTENANCE
CAUTION
 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
 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
5.1. BATTERY AND FUSE REPLACEMENT
When the symbol “
” is shown at display the battery should be replaced.
Battery replacement
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 (see § 6.1.3) respecting the polarity signs
and replace the back case and screws. Use the appropriate battery disposal methods
for your area
Fuse replacement
1. Turn OFF the meter and disconnect the test leads from the input terminals
2. Unscrew the four fixing screws of the back holster and remove it
3. Remove the defective fuse and install a new fuse of the same size and rating (see §
6.1.3). Make sure the new fuse is centered in the fuse holder. Re-screw the back
holster
5.2. CLEANING
To clean the instrument use a soft dry cloth. Never use a wet cloth, solvents or water.
5.3. END OF LIFE
Caution: this symbol indicates that equipment and its accessories shall be
subject to a separate collection and correct disposal.