Seaward 50 PrimeTest - Manual (Page 17)

PrimeTest 50 Operating Instructions
15
6 Battery Check
The PrimeTest 50 is powered from a 6 AA cells
which are checked before a test is performed. When
the battery voltage is low the Low Batt enunciator is
illuminated. The unit will continue to perform within
specification for a limited number of tests, dependent
upon the type of the batteries fitted.
When the battery voltage reaches a level where the
performance is affected the Low Batt enunciator will
flash and all test keys are disabled. The batteries
must be replaced.
6.1 Battery Replacement
Before opening the PrimeTest 50 ensure
that it is disconnect all test leads.
x Switch off the unit by pressing and holding
keys and
.
x Disconnect the black test lead from 4mm
test socket .
x Disconnect the IEC mains cable from the
IEC socket .
x Disconnect the EUT mains cable from the
EUT socket .
x Place the PrimeTest 50 face down, release
the captive screw in the battery compartment
cover.
x Remove the battery compartment cover.
x Remove the discharged batteries.
x Insert the replacement batteries into the
battery compartment ensuring that the
battery polarity matches the marking on the
inside of the battery compartment.
x Relocate the battery cover over the battery
compartment and fasten in position with the
battery cover captive screw.
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