FIELD: test equipment. SUBSTANCE: unit has reference electricity meter 1, regulated electricity meter 2, detector 3 for reading marks out from disk of reference electricity meter, detector 4 for reading marks out from disk of controlled electricity meter, pulse time separation circuit 5, reversible pulse counter 6, indication unit 7 with corresponding couplings. EFFECT: improved precision. 1 dwg
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Authors
Dates
1995-08-20—Published
1993-11-10—Filed