Maintenance; Cleaning And Storage; Battery Replacement - Extech Instruments RH10 User Manual

Maintenance
Cleaning and storage
1. Meter housing only: Clean with a damp cloth and mild detergent when necessary. Do not use
solvents or abrasives.
2. Do not attempt to introduce liquid into the probe access holes when cleaning. The probe
head can be cleaned using a dry, lint free cloth to dust and to free debris from the probe
openings.
3. Store the meter in an area with moderate temperature and humidity.
Battery Replacement
The battery symbol appears on the LCD when the 9V battery needs to be replaced. Note that the
meter automatically switches OFF after 30 minutes of inactivity to conserve battery energy.
Replace the 9V battery as follows:
1. Switch the meter OFF if necessary.
2. Remove the rear battery compartment cover by sliding the compartment cover downward.
3. Replace the 9V battery carefully.
4. Place the red and black wires cautiously in the battery compartment to avoid crimping when
closing the compartment cover.
5. Always re‐assemble the meter before operating.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate
collection sites, the retail store where the batteries were purchased, or wherever
batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The user is
obligated to take end‐of‐life devices to a designated collection point for the disposal
of electrical and electronic equipment.
Other Battery Safety Reminders
o Never dispose of batteries in a fire. Batteries may explode or leak.
o Never mix battery types. Always install new batteries of the same type.
WARNING: To avoid electric shock, do not operate the meter until the battery cover is in
place and fastened securely.
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