6-2 | Model 5100 HD Analyzer
Cleaning
Cleaning the exterior of the analyzer is required occasionally to remove dust and
other debris. Use a damp cloth to clean the analyzer’s exterior, including the
keypad and display.
Replacing the MCU Battery
The battery on the MCU board powers the analyzer clock when the main analyz-
er AC power is not connected. The clock’s primary function is to timestamp the
Alarm Log entries. The AMETEK part number for one battery is #301-0382.
The battery’s expected life-span is greater than ve years; therefore, it is impor-
tant to order and stock a battery when your analyzer is approaching ve years
from the original manufacture date.
*MCU battery life expectancy is greater than ve years; therefore,
it is important to order and stock a battery when your analyzer is
approaching ve years from the original manufacture date. However
it is possible that the battery can become damaged by a power spike,
resulting in the need for a replacement.
To replace the MCU battery:
1. Power down the analyzer.
Before proceeding, test the area around the analyzer for ammable
gases. If an explosive gas atmosphere is present, do not power down
the analyzer or any alternate power sources that supply power to
the analyzer components. Proceed only when the area is found to be
safe.
2. While wearing a grounding wrist strap, use an appropriate tool to remove the
battery from the MCU board. Insert the new battery.
3. Take all necessary precautions to safely power up the analyzer and prepare
it for operation.
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