TW336997B - Multi-purpose meter having auto testing adjustment - Google Patents

Multi-purpose meter having auto testing adjustment

Info

Publication number
TW336997B
TW336997B TW083108657A TW83108657A TW336997B TW 336997 B TW336997 B TW 336997B TW 083108657 A TW083108657 A TW 083108657A TW 83108657 A TW83108657 A TW 83108657A TW 336997 B TW336997 B TW 336997B
Authority
TW
Taiwan
Prior art keywords
testing
automatic
purpose meter
ohm
tested
Prior art date
Application number
TW083108657A
Other languages
English (en)
Inventor
Schulze Wolfgang
Faulner Dieter
Krien Burkhard
Bernd Meier Dr
Original Assignee
Metrawatt Gmbh Gossen
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 Metrawatt Gmbh Gossen filed Critical Metrawatt Gmbh Gossen
Application granted granted Critical
Publication of TW336997B publication Critical patent/TW336997B/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range
    • G01R15/09—Autoranging circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
    • G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
TW083108657A 1993-09-18 1994-09-21 Multi-purpose meter having auto testing adjustment TW336997B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4331796A DE4331796A1 (de) 1993-09-18 1993-09-18 Multimeter mit automatischer Meßfunktionseinstellung

Publications (1)

Publication Number Publication Date
TW336997B true TW336997B (en) 1998-07-21

Family

ID=6498051

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083108657A TW336997B (en) 1993-09-18 1994-09-21 Multi-purpose meter having auto testing adjustment

Country Status (5)

Country Link
US (1) US5557197A (zh)
EP (1) EP0649026A3 (zh)
JP (1) JPH07151792A (zh)
DE (1) DE4331796A1 (zh)
TW (1) TW336997B (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19529433A1 (de) * 1995-08-10 1997-02-13 Teves Gmbh Alfred Verfahren und Schaltungsanordnung zur Überwachung einer Steuerschaltung
EP0998677B1 (en) * 1997-07-23 2002-01-30 PIRELLI CAVI E SISTEMI S.p.A. System for measuring the alternating current
DE19948430A1 (de) * 1999-10-07 2001-04-12 Endress & Hauser Wetzer Gmbh Signal-identifizierende Schaltungsanordnung
US6633826B1 (en) 1999-10-07 2003-10-14 Endress + Hauser Wetzer Gmbh + Co. Kg Signal-identifying circuit arrangement
DE102004012457A1 (de) * 2004-03-10 2005-09-29 Siemens Ag Verfahren und Messprogramm zur Messung eines unbekannten elektrischen Widerstandes in einem Stromkreis und Detektion einer in den Stromkreis potenziell eingekoppelten Überspannung
DE102005033919A1 (de) * 2005-07-20 2007-01-25 Conti Temic Microelectronic Gmbh Verfahren und Vorrichtung Strommessung
CN101149399B (zh) * 2006-09-18 2013-04-17 臧佳菁 自动选择测量功能的数字万用表
US7990162B2 (en) 2007-08-14 2011-08-02 Fluke Corporation Systems and methods for an open circuit current limiter
TWI334931B (en) * 2008-07-17 2010-12-21 Cyrustek Co Intelligent multi-meter with automatic function selection
JP2010281571A (ja) * 2009-06-02 2010-12-16 Hioki Ee Corp 測定装置
US8495423B2 (en) * 2009-08-11 2013-07-23 International Business Machines Corporation Flash-based memory system with robust backup and restart features and removable modules
US9568504B2 (en) 2013-03-15 2017-02-14 Milwaukee Electric Tool Corporation Digital multi-meter
KR101521091B1 (ko) * 2014-06-10 2015-05-20 국립대학법인 울산과학기술대학교 산학협력단 듀얼 모드 적응형의 신호 획득 장치
JP6679406B2 (ja) * 2016-05-06 2020-04-15 日置電機株式会社 測定装置および測定方法
JP6727958B2 (ja) * 2016-07-01 2020-07-22 日置電機株式会社 測定装置
CN110456125B (zh) * 2019-08-23 2020-05-19 深圳成智达科技有限公司 一种智能数字测量系统
CN110456126B (zh) * 2019-08-23 2020-05-19 深圳成智达科技有限公司 一种信号智能识别模块
US11973566B2 (en) * 2020-10-09 2024-04-30 Schweitzer Engineering Laboratories, Inc. Wireless radio repeater for electric power distribution system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092591A (en) * 1975-08-06 1978-05-30 Lozowski Joseph F Electric meter
DE2917524A1 (de) * 1979-04-30 1980-11-13 Gw Elektronik Gmbh Testgeraet zur digitalen anzeige eines spannungswertes mit automatischer umschaltung zwischen gleich und wechselspannung
US5119019A (en) * 1989-11-28 1992-06-02 John Fluke Mfg. Co., Inc. Automatic function selecting multimeter
US5027057A (en) * 1990-01-30 1991-06-25 Johnson Service Company Input condition sensing circuit
US5144154A (en) * 1990-05-21 1992-09-01 Keithley Instruments, Inc. Range changing using N and P channel FETS
EP0474088B1 (de) * 1990-09-01 1996-04-24 ABBPATENT GmbH Messverfahren zum Messen unterschiedlicher Messgrössen und Multimeter zur Durchführung des Verfahrens
US5142221A (en) * 1990-11-23 1992-08-25 John Fluke Mfg. Co., Inc. Automatic function selecting multimeter
US5250893A (en) * 1992-01-31 1993-10-05 Tegam, Inc. Digital voltmeter

Also Published As

Publication number Publication date
DE4331796A1 (de) 1995-03-23
JPH07151792A (ja) 1995-06-16
EP0649026A3 (de) 1995-09-27
EP0649026A2 (de) 1995-04-19
US5557197A (en) 1996-09-17

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