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4. BATTERY
INSTALLATION
AND
REPLACEMENT
The total battery life without
backlighting is about 400 hours.
Remaining battery power is indicated by
the battery life indicator.
Indicator Voltage
Cell + 3 bars
More than 4.1 V
Cell + 2 bars
More than 3.6 V
Cell + 1 bars
More than 3.0 V
Cell + empty bars
flashing
More than 2.85 V
Adaptor power
supply
Main power supply
connected
USB power supply
USB power
Selected settings are stored in memory
and will remain in memory even after
power is turned off, or while batteries
are being replaced.
1. Before
changing battery, turn
instrument off and disconnect RTD.
2. Loosen screw and lift battery cover off
back of case.
3. Remove the three AA batteries.
4. Insert
three
new batteries observing
polarity.
5. Install cover and tighten screw.
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