DE2940524C2 - Isolationswiderstandsprüfer - Google Patents

Isolationswiderstandsprüfer

Info

Publication number
DE2940524C2
DE2940524C2 DE19792940524 DE2940524A DE2940524C2 DE 2940524 C2 DE2940524 C2 DE 2940524C2 DE 19792940524 DE19792940524 DE 19792940524 DE 2940524 A DE2940524 A DE 2940524A DE 2940524 C2 DE2940524 C2 DE 2940524C2
Authority
DE
Germany
Prior art keywords
voltage
circuit
insulation resistance
current
resistor
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE19792940524
Other languages
German (de)
English (en)
Other versions
DE2940524A1 (de
Inventor
Masaaki Mitaka Tokyo Nishijo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
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
Application filed by Yokogawa Electric Works Ltd filed Critical Yokogawa Electric Works Ltd
Publication of DE2940524A1 publication Critical patent/DE2940524A1/de
Application granted granted Critical
Publication of DE2940524C2 publication Critical patent/DE2940524C2/de
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
DE19792940524 1979-02-08 1979-10-05 Isolationswiderstandsprüfer Expired DE2940524C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1373179A JPS55106365A (en) 1979-02-08 1979-02-08 Megger

Publications (2)

Publication Number Publication Date
DE2940524A1 DE2940524A1 (de) 1980-08-14
DE2940524C2 true DE2940524C2 (de) 1982-11-04

Family

ID=11841380

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792940524 Expired DE2940524C2 (de) 1979-02-08 1979-10-05 Isolationswiderstandsprüfer

Country Status (5)

Country Link
JP (1) JPS55106365A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7906260A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2940524C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2041545A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL187997C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643062U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-09-11 1981-04-20
DE3308793A1 (de) * 1982-07-14 1984-09-13 Gossen GmbH Mess- und Regeltechnik, 8520 Erlangen Batteriebetriebenes isolationsmessgeraet
DE3226253A1 (de) * 1982-07-14 1984-01-26 Gossen Gmbh, 8520 Erlangen Batteriebetriebenes isolationsmessgeraet
US7990162B2 (en) * 2007-08-14 2011-08-02 Fluke Corporation Systems and methods for an open circuit current limiter
CN115792522B (zh) * 2022-12-08 2023-07-28 青岛艾测科技有限公司 一种容性负载绝缘检测方法、装置和设备
CN116338324B (zh) * 2023-05-30 2023-07-25 深圳市鼎阳科技股份有限公司 一种电阻测量电路、方法、万用表及存储介质

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054168B (de) * 1958-02-10 1959-04-02 Wandel & Goltermann Schaltungsanordnung zur Messung von Isolationswiderstaenden von Kabeln

Also Published As

Publication number Publication date
JPS55106365A (en) 1980-08-15
NL187997C (nl) 1992-03-02
JPS6256982B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-11-28
NL8000629A (nl) 1980-08-12
DE2940524A1 (de) 1980-08-14
GB2041545A (en) 1980-09-10
BR7906260A (pt) 1980-10-14

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8328 Change in the person/name/address of the agent

Free format text: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: YOKOGAWA HOKUSHIN ELECTRIC CORP., MUSASHINO, TOKYO

8327 Change in the person/name/address of the patent owner

Owner name: YOKOGAWA ELECTRIC CORP., MUSASHINO, TOKIO/TOKYO, J

8339 Ceased/non-payment of the annual fee