Maintenance; Battery Replacement; Cleaning And Storage - Extech Instruments SD900 User Manual

4. Maintenance

Battery Replacement

1. To replace or install batteries, remove the Philips head screw that secures the rear
battery cover and lift off the cover.
2. Replace the six AAA batteries (use alkaline heavy duty type), observing polarity.
3. Replace and secure the cover.
Battery Safety Notes: Please dispose of batteries responsibly; never dispose of batteries in a fire,
batteries may explode or leak. If the meter is not to be used for 60 days or more, remove the
battery and store separately. Do not mix battery types or freshness levels; please use batteries
of the same type and of the same freshness level.
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.

Cleaning and Storage

Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or
solvents.
Please remove the batteries if the meter is stored for a long period of time.
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