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3. MAINTENANCE
Checking the technical condition of the hardness tester is carried out at least once
a year in the following sequence:
− check the completeness of the hardness tester according to clause 1.14 "Delivery set of
the hardness tester";
− Carry out visual external inspection of the hardness tester, make sure that there are no
mechanical damages to the electronic unit, the connector and the connecting cable;
− No parts of the probes should have any signs of corrosion and mechanical damage.
− Check performance;
− compliance with the operating conditions;
− battery charge level;
To eliminate the identified deficiencies you should contact the manufacturer.
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