Wayne Kerr AP10030, Руководство пользователя и обслуживания

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36 Wayne Kerr AP 1kW Power Supplies • Issue 2
8. RECALIBRATION
WARNING! This operation involves working on the unit with exposed hazardous
voltages. It must only be undertaken by personnel who are fully aware of the hazards and
who are trained to observe the necessary safety precautions. If in any doubt please return
the unit to the Service Department at Wayne Kerr (see section 9.3.) or to any approved
service depot operated by our agents overseas.
Fig 8.1 Control Board Pot Positions
Fig 8.2 Display board pot positions
8.1 Equipment Needed For Recalibration
25A Earth bond tester (e.g. Megger PAT 2) & Insulation tester @ 500V D.C. (e.g.
Megger BM 7)
Reference voltmeter
AP100-30 reading up to 150V >0.01% accuracy
AP60-50 reading up to 70V >0.01% accuracy
AP30-80 reading up to 40V >0.01% accuracy
Reference ammeter
AP100-30 reading up to 33A >0.01% accuracy
AP60-50 reading up to 55A >0.01% accuracy
AP30-80 reading up to 83A >0.01% accuracy