Delmhorst Instrument RDM-3 - Manual (Page 25)

Copyright  2005, Delmhorst Instrument Co.
Page 25 of 28
CARE OF YOUR METER
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Store your meter in a clean, dry place. The protective carrying case provided is an ideal
storage place when the meter is not in use.
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Re-charge the 9-Volt battery as needed. Continued use with a low battery may cause the
meter to go out of calibration.
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Change contact pins as needed. Keep pin retainers hand tightened.
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Clean the meter and contact pins with any biodegradable cleaner. Use the cleaner sparingly
and on external parts only. Keep cleaner out of the external connector.
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Remove the battery if the meter will not to be used for one month or longer