EXTECH EX840 [10/12] Maintenance

EX840-EU-EN-V5.3-3/12

Maintenance

WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the test leads

from the input terminals, and turn OFF the meter before opening the case. Do not operate the meter

with an open case.

Cleaning and Storage

Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or

solvents. If the meter is not to be used for 60 days or more, remove the battery and store it

separately.

Battery Replacement

1. Remove the Phillips head screw that secures the rear battery door

2. Open the battery compartment

3. Replace the 9V battery

4. Secure the battery compartment

You, as the end user, are legally bound (EU Battery ordinance) to return all used

batteries, disposal in the household garbage is prohibited! You can hand over your

used batteries / accumulators at collection points in your community or wherever batteries

/ accumulators are sold!

Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the

end of its lifecycle