CLASS 320 METER
62-0397-02 34
9.0 LITHIUM BATTERY REPLACEMENT
The Class 320 meter has a lithium coin cell battery, which is used to retain the
contents of SRAM and the RTC during power outages. The battery’s life expectancy is
greater than 5 years.
Table 1. Battery specifications at 25 degrees Celsius.
Replace battery with Panasonic part number CR2032 only. Use of another
battery may present a risk of fire or explosion. See owner’s manual for safety
instructions.
The battery cell is mounted in a coin cell holder on the upper right side of the main
power board. The internal unit firmware will set a flag to indicate the low battery
condition. When the unit data is next downloaded, the monitoring facility will be alerted
of the low battery condition and will schedule a service call.
Fig. 23. Lithium Battery Cell.
Battery may explode if mistreated. Do Not recharge, disassemble, or dispose
of in fire.
Nominal Working Voltage 3 Vdc Output
Nominal Current Capacity 225 mAHr
Cell Chemical Manganese Dioxide Lithium
Operating Temperature Range -30 to +60 Degrees Celsius
Manufacturer Panasonic
Manufacturer’s Part Number CR2032
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