Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1986-05-30
1988-04-26
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324544, 340647, G01R 3112
Patent
active
047407565
ABSTRACT:
The insulation of a plurality of grounded wires may be tested subsequent to fabrication and prior to spooling by use of a corresponding plurality of modular circuit boards installed in an AC/DC continuity tester having enhanced isolation features including on board DC power supplies and clock generators. A signal processor gathers fault data from each board and provides a fault count signal for each wire which may be printed out on a printer within the tester. Isolation between channels is enhanced by using a simple and compact test head having a plurality of rollers or sheaves separated by teflon spacers, all mounted on a common rod.
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NEMA Test Procedure-Apr., 1972, Sections 2.3.3 and 2.3.4.1-2.
NEMA Continuity Test Procedure-Sep., 1973,-Sections 8.1.1.1-2.
NEMA Continuity Test Procedure-Sep., 1977,-Sections 8.1.1.1-2.
NEMA Publication No. MW1000-Oct., 1981,-pp. 241-242-Sections 3.8.1.1.1-2.
Graham Randall C.
Smith, Jr. James D.
Eisenzopf Reinhard J.
Essex Group Inc.
Maguire, Jr. Francis J.
Mueller Robert W.
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