Maintenance; Battery Replacement - Extech Instruments LT300 User Manual

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Maintenance

Cleaning and storage
1. The white plastic sensor dome should be cleaned with a damp cloth when necessary. Use
only a mild soap if needed. Do not use solvents, abrasives, or harsh detergents to clean the
dome.
2. Store the meter in an area with moderate temperature and humidity (refer to the operating
and storage range in the Specifications section).

Battery Replacement

When the battery power begins to fail the low battery symbol
the 9V battery by first removing protective jacket that encases the meter. Remove the rear
(center) battery compartment screw to access the battery compartment. Ensure that the
compartment cover is securely fastened and that the protective jacket is properly installed
before using the meter.
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
Never dispose of batteries in a fire. Batteries may explode or leak.
Never mix battery types. Always install new batteries of the same type.
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will appear on the LCD. Replace
5 LT300-EU-EN V2.3 2/13
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