Maintenance; Fuse Replacement; Battery Replacement - Extech Instruments GRT350 User Manual

Maintenance
1. Rear cover
2. Battery compartment
3. Fuse
Fuse Replacement
1. Disconnect the test leads from the instrument.
2. Remove the rear cover by removing the two screws.
3. Remove and replace the fuse with a new one of the same value and size
0.5A/500V, (5 x 20mm).
4. Replace and secure the rear cover.
Battery replacement
When "Battery Low" appears on the display, replace the batteries.
1. Disconnect the test leads from the instrument and remove the rear cover and the
batteries.
2. Replace with eight 1.5V AA batteries, taking care to observe correct polarity.
3. Reinstall battery holder and battery cover.
Cleaning
WARNING: To avoid electrical shock or damage to the meter, do not allow water inside the
case.
Periodically wipe the case with a damp cloth and detergent, do not use abrasives or solvents.
800.561.8187
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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