Amprobe WT-30 User Manual - Page 13

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MAINTENANCE AND REPAIR

If there appears to be a malfunction during the

operation of the meter, the following steps should be

performed in order to isolate the cause of the problem.

1. Check the battery. Replace the battery

immediately when the " " symbol appears on the

LCD.

2. Review the operating instructions for possible

mistakes in operating procedure.

Except for the replacement of the battery, repair of the

meter should be performed only by a Factory Authorized

Service Center or by other qualified instrument service

personnel. The front panel and case can be cleaned with

a mild solution of detergent and water. Apply sparingly

with a soft cloth and allow to dry completely before

using. Do not use aromatic hydrocarbons or chlorinated

solvents for cleaning.

Make sure the electrode is clean! Between

measurements, rinse the electrode with deionised water.

If the eletrode has been exposed to a solvent immiscible

with water, clean it with a solvent miscible with water

e.g. ethanol or acetone and rinse carefully with water.

Store the electrode carefully! Before storing, rinse it

carefully in deionized water and store DRY.