Extech Instruments LT250W, Руководство пользователя

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Maintenance 6
CAUTION
Warning: Do not open the housing or sensor module. Service should only be performed by
factory personnel, there are no user-serviceable components in this device.
6.1 General Cleaning
Wipe the housing and sensor with a damp cloth as necessary to clean. Do
not use abrasives or solvents to clean this device.
6.2 Battery Replacement
This device is powered by three (3) 1.5 V (AAA) batteries. When the low bat-
tery symbol appears
, replace the batteries immediately, as explained below.
1. Switch the meter off and remove the rear battery compartment cover.
2. Replace the batteries, observing correct polarity. Always use batteries of
the same type.
3. Secure the battery compartment before use.
Do not dispose of used batteries or rechargeable batteries in house-
hold waste.
#NAS100076; r. AA/78957/78963; en-US 9