MPI-536 – USER MANUAL
6 Power supply
6.1 Monitoring of the battery charge status
The device is equipped with a Li-Ion battery pack 11.1 V 3.4 Ah. The battery pack includes a cir-
cuit monitoring its charge status, which provides precise level of battery pack charge and a tempera-
ture sensor.
The charging level of the battery pack is indicated by icon on the top bar of the screen on the right
side (section 2 element ).
batteries fully discharged.
no battery
no communication with the battery pack
6.2 Replacing rechargeable batteries
MPI-536 meter is powered from SONEL Li-Ion rechargeable battery pack.
Battery charger is installed inside the meter and cooperates only with the manufacturer’s re-
chargeable battery pack. The charger is powered by external power supply adapter. It can be also
powered from the car cigarette lighter socket. Both the rechargeable battery pack and the adapter are
standard components of the meter.
WARNING
If the test leads are left in the terminals during replacement of the batteries,
there is a risk of electric shock.
The internal real time clock is supplied from the battery pack, therefore to avoid deleting the clock
settings, the battery pack replacement may be performed with connected power supply of 12 V DC.
In order to replace the battery pack it is necessary to:
remove all the test leads from the sockets and turn the meter off,
connect the external power supply 12 V DC (to prevent deleting date and time settings)
remove the four screws of the battery compartment (in the lower part of the casing), Fig.
6.1),
remove the battery compartment,
remove the compartment cover and remove the batteries,
insert a new battery pack,
Insert (snap) the compartment cover,
Insert the compartment in the meter,
screw the 4 screws of the battery compartment.
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