Elcometer 331 H Operating Instructions Manual page 10

R
2. Connect the lead
from the charger into
the socket marked
'Charger Input'
behind the interface
access cover.
The Half-Cell Meter
will automatically
switch off when the
lead from
charger
connected.
3. Plug the charger supplied into the mains supply. The LED indicator on the charger will glow orange.
4. Leave the gauge charging for at least 4 hours. The LED indicator changes colour from orange to green
when charging is complete.
5. When charging is complete, disconnect the charger from the mains supply before removing the lead
from the Half-Cell Meter.
To remove the battery pack for charging outside the Half-Cell Meter, unscrew the two battery pack retaining
screws (3) at the rear of the Half-Cell Meter and slide out the battery pack. To charge the battery once it has
been removed, connect the lead from the charger into the socket on the battery pack.
Warning: Do not allow metallic objects to come into contact with the battery terminals; this may
cause a short circuit and result in permanent damage to the battery.
8
(battery in the Half-Cell Meter)
the
is
(battery removed)