JPS5928367Y2 - クランプ式電流計 - Google Patents

クランプ式電流計

Info

Publication number
JPS5928367Y2
JPS5928367Y2 JP1979159892U JP15989279U JPS5928367Y2 JP S5928367 Y2 JPS5928367 Y2 JP S5928367Y2 JP 1979159892 U JP1979159892 U JP 1979159892U JP 15989279 U JP15989279 U JP 15989279U JP S5928367 Y2 JPS5928367 Y2 JP S5928367Y2
Authority
JP
Japan
Prior art keywords
magnetic core
actuator
actuating
piece
magnetic
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
JP1979159892U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5677770U (enExample
Inventor
武夫 倉本
Original Assignee
共立電気計器株式会社
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 共立電気計器株式会社 filed Critical 共立電気計器株式会社
Priority to JP1979159892U priority Critical patent/JPS5928367Y2/ja
Priority to US06/149,340 priority patent/US4316142A/en
Publication of JPS5677770U publication Critical patent/JPS5677770U/ja
Application granted granted Critical
Publication of JPS5928367Y2 publication Critical patent/JPS5928367Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/22—Tong testers acting as secondary windings of current transformers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP1979159892U 1979-11-20 1979-11-20 クランプ式電流計 Expired JPS5928367Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1979159892U JPS5928367Y2 (ja) 1979-11-20 1979-11-20 クランプ式電流計
US06/149,340 US4316142A (en) 1979-11-20 1980-05-13 Clamp type ammeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979159892U JPS5928367Y2 (ja) 1979-11-20 1979-11-20 クランプ式電流計

Publications (2)

Publication Number Publication Date
JPS5677770U JPS5677770U (enExample) 1981-06-24
JPS5928367Y2 true JPS5928367Y2 (ja) 1984-08-16

Family

ID=15703450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979159892U Expired JPS5928367Y2 (ja) 1979-11-20 1979-11-20 クランプ式電流計

Country Status (2)

Country Link
US (1) US4316142A (enExample)
JP (1) JPS5928367Y2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384289A (en) * 1981-01-23 1983-05-17 General Electric Company Transponder unit for measuring temperature and current on live transmission lines
US4689752A (en) * 1983-04-13 1987-08-25 Niagara Mohawk Power Corporation System and apparatus for monitoring and control of a bulk electric power delivery system
US4656418A (en) * 1986-01-27 1987-04-07 Snap-On Tools Corporation Molded clamp-type ammeter probe
GB8603781D0 (en) * 1986-02-15 1986-03-19 Pilkington Brothers Plc Current probe
FR2788343B1 (fr) * 1999-01-12 2001-02-16 Universal Technic Pince de mesure d'un courant circulant dans des conducteurs
US7884598B2 (en) * 2007-08-30 2011-02-08 Fluke Corporation Clamp jaw assembly
US8115475B2 (en) * 2009-09-23 2012-02-14 Electrical Reliability Services, Inc. Manipulation assembly for online electrical system test probe installation
US8446154B2 (en) * 2010-09-24 2013-05-21 The Boeing Company Methods and systems for quantifying degradation of wiring insulation
EP2853904A1 (en) * 2013-09-30 2015-04-01 LEM Intellectual Property SA Clip-on current transducer or current transformer
USD739280S1 (en) * 2014-01-17 2015-09-22 Parker Hannifin Corporation Temperature sensing clamp
JP6333955B2 (ja) * 2014-03-20 2018-05-30 公立大学法人大阪市立大学 クランプ式電流計
CN106569002B (zh) 2015-10-13 2024-06-11 福禄克公司 钳形表
US10750252B2 (en) 2017-02-22 2020-08-18 Sense Labs, Inc. Identifying device state changes using power data and network data
USD837670S1 (en) * 2018-01-26 2019-01-08 Kane Usa, Inc. Pipe clamp temperature probe
US10878343B2 (en) 2018-10-02 2020-12-29 Sense Labs, Inc. Determining a power main of a smart plug
USD944731S1 (en) * 2019-07-11 2022-03-01 Sense Labs, Inc. Electrical current sensor
US11536747B2 (en) 2019-07-11 2022-12-27 Sense Labs, Inc. Current transformer with self-adjusting cores
USD1092262S1 (en) * 2023-03-27 2025-09-09 Jiangsu Jingchuang Electronics Co., Ltd Temperature clamp
USD1093184S1 (en) * 2023-03-27 2025-09-16 Jiangsu Jingchuang Electronics Co., Ltd Temperature clamp (PT)
USD1092263S1 (en) * 2024-08-02 2025-09-09 Jiangsu Jingchuang Electronics Co., Ltd Temperature clamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB327837A (en) * 1929-03-13 1930-04-17 George Frederick Shotter Improvements in or relating to electric current transformers and measuring instruments
FR2298110A1 (fr) * 1975-01-20 1976-08-13 Merlin Gerin Dispositif de mesure de grandeurs electriques

Also Published As

Publication number Publication date
US4316142A (en) 1982-02-16
JPS5677770U (enExample) 1981-06-24

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