8. Maintenance
Cleaning
To clean the lenses, use compressed air to clear dust and other particles, then carefully clean with a wet cotton swab,
moistened with clean water. To clean the meter housing, wipe with a soft, damp cloth. Do not use solvents or abrasives.
Do not immerse the meter in liquid.
Battery Installation and Replacement
Install or replace the 9V battery according to the following figure.
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.
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