Battery Replacement - Extech Instruments RHT50 User Manual

Battery Replacement

It is highly recommended that the battery be replaced every 12 months, or prior to logging critical data.
The RHT50 does not lose its stored readings when the battery weakens or when the battery is replaced;
the data logging process will however be stopped and cannot be re-started until the battery has been
replaced and the logged data has been downloaded to PC.
Use only a 3.6V ½ 'AA' lithium battery. Before replacing the battery, remove the datalogger from the PC.
Follow the steps in the diagram below for opening the housing and replacing the battery.
NOTE: Leaving the RHT50 plugged into the PC USB port longer than necessary will cause some of the
battery capacity to be lost.
WARNING: Handle lithium batteries carefully, observe warnings on battery casing. Dispose of in
accordance with local regulations.
You, as the end user, are legally bound (EU Battery ordinance) to return all used batteries,
disposal in the household garbage is prohibited! You can hand over your used
batteries / accumulators at collection points in your community or wherever batteries /
accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the
end of its lifecycle
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