BR8003495A - Analisador de resistencia de isolamento - Google Patents

Analisador de resistencia de isolamento

Info

Publication number
BR8003495A
BR8003495A BR8003495A BR8003495A BR8003495A BR 8003495 A BR8003495 A BR 8003495A BR 8003495 A BR8003495 A BR 8003495A BR 8003495 A BR8003495 A BR 8003495A BR 8003495 A BR8003495 A BR 8003495A
Authority
BR
Brazil
Prior art keywords
insulation resistance
resistance analyzer
analyzer
insulation
resistance
Prior art date
Application number
BR8003495A
Other languages
English (en)
Inventor
Shindo Shotaro
Hayashi Eiji
Original Assignee
Yokogawa Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP8846779A external-priority patent/JPS5612559A/ja
Priority claimed from JP8846679A external-priority patent/JPS5612558A/ja
Application filed by Yokogawa Electric Works Ltd filed Critical Yokogawa Electric Works Ltd
Publication of BR8003495A publication Critical patent/BR8003495A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/129—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of components or parts made of semiconducting materials; of LV components or parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
BR8003495A 1979-07-12 1980-06-04 Analisador de resistencia de isolamento BR8003495A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8846779A JPS5612559A (en) 1979-07-12 1979-07-12 Insulation resistance meter
JP8846679A JPS5612558A (en) 1979-07-12 1979-07-12 Insulation resistance meter

Publications (1)

Publication Number Publication Date
BR8003495A true BR8003495A (pt) 1981-03-31

Family

ID=26429832

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8003495A BR8003495A (pt) 1979-07-12 1980-06-04 Analisador de resistencia de isolamento

Country Status (3)

Country Link
US (1) US4336494A (pt)
BR (1) BR8003495A (pt)
GB (1) GB2056095B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904946A (en) * 1985-10-02 1990-02-27 Seiko Instruments Inc. Method for evaluating insulating films
US5475313A (en) * 1994-09-20 1995-12-12 Dykes; Wallace E. Primary charge roller evaluator
US6124714A (en) * 1998-03-09 2000-09-26 Hd Electric Company Lightning and surge arrester test apparatus and method
US6275022B1 (en) * 1998-10-05 2001-08-14 Walter S Bierer Passive voltmeter with partially compressed voltage range display and housing with internal metallic coating
US6907363B1 (en) 2001-10-15 2005-06-14 Sandia Corporation Automatic insulation resistance testing apparatus
US20160131607A1 (en) * 2014-11-06 2016-05-12 Fluke Corporation Method of combined use of infrared camera, non-contact infrared sensor, or contact temperature sensor with insulation resistance tester for automatic temperature normalization

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891219A (en) * 1956-04-18 1959-06-16 Robert W Camp Low current resistance measuring device
US3040249A (en) * 1958-10-01 1962-06-19 Westinghouse Electric Corp Low voltage tester
US3328685A (en) * 1964-04-07 1967-06-27 Hewlett Packard Co Ohmmeter utilizing field-effect transistor as a constant current source
US3501693A (en) * 1966-03-18 1970-03-17 Corning Glass Works Ohmmeter for measuring the resistance of a resistor connected across a pn junction

Also Published As

Publication number Publication date
GB2056095B (en) 1983-04-07
GB2056095A (en) 1981-03-11
US4336494A (en) 1982-06-22

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950604