Extech Instruments 38390 Manuel d'utilisateur télécharger pdf (Page 11)

MAINTENANCE

WARNING: To avoid electrical shock or damage to the meter, keep moisture from entering the meter housing. Also,

remove the test leads before opening the meter housing.

Cleaning

Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents.

Battery Replacement

When the low battery symbol appears on the LCD, replace the meter’s two button-batteries.

1. Remove power and remove test leads from meter

2. Remove the two rear Phillips screws and open the meter housing.

3. Remove and replace the two 1.55V button batteries per the following illustrations.

4. ICE replacement number: LR-44; NEDA replacement numbers: 116A or A76.

5. Replace the rear screws.

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Extech Instruments 38390 Manuel d'utilisateur Page 11