GB9321347D0 - Digital multimeter - Google Patents

Digital multimeter

Info

Publication number
GB9321347D0
GB9321347D0 GB939321347A GB9321347A GB9321347D0 GB 9321347 D0 GB9321347 D0 GB 9321347D0 GB 939321347 A GB939321347 A GB 939321347A GB 9321347 A GB9321347 A GB 9321347A GB 9321347 D0 GB9321347 D0 GB 9321347D0
Authority
GB
United Kingdom
Prior art keywords
digital multimeter
multimeter
digital
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.)
Granted
Application number
GB939321347A
Other versions
GB2273365B (en
GB2273365A (en
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.)
Metrawatt Gossen GmbH
Original Assignee
Metrawatt Gossen GmbH
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 Gossen GmbH filed Critical Metrawatt Gossen GmbH
Publication of GB9321347D0 publication Critical patent/GB9321347D0/en
Publication of GB2273365A publication Critical patent/GB2273365A/en
Application granted granted Critical
Publication of GB2273365B publication Critical patent/GB2273365B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01R15/12—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)
GB9321347A 1992-10-15 1993-10-15 Digital multimeter for isolation resistance measurements Expired - Lifetime GB2273365B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924234789 DE4234789A1 (en) 1992-10-15 1992-10-15 Digital multimeter

Publications (3)

Publication Number Publication Date
GB9321347D0 true GB9321347D0 (en) 1993-12-08
GB2273365A GB2273365A (en) 1994-06-15
GB2273365B GB2273365B (en) 1997-01-29

Family

ID=6470545

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9321347A Expired - Lifetime GB2273365B (en) 1992-10-15 1993-10-15 Digital multimeter for isolation resistance measurements

Country Status (3)

Country Link
DE (1) DE4234789A1 (en)
FR (1) FR2697092B1 (en)
GB (1) GB2273365B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938117A1 (en) * 1999-08-12 2001-03-15 Reinisch Gmbh & Co Kg Voltmeter for measurement of voltage under an electrical load, especially intended for motor vehicle use when the load is removed to allow measurements to be made and the meter has a parallel resistance to simulate the removed load
GB2416594A (en) * 2004-07-23 2006-02-01 Kew Technik Ltd Electrical resistance measuring apparatus
CN100371960C (en) * 2005-11-17 2008-02-27 浙江中控自动化仪表有限公司 Signal Collecting device
CN101149399B (en) * 2006-09-18 2013-04-17 臧佳菁 Digital multimeter for automatically selecting measuring function
AT11101U3 (en) * 2009-11-04 2011-01-15 Ditest Fahrzeugdiagnose Gmbh MULTIMETER
CN106353549B (en) * 2016-08-15 2019-11-12 广州致远电子股份有限公司 A kind of conditioned circuit device and voltage measuring apparatus
WO2018032754A1 (en) * 2016-08-15 2018-02-22 广州致远电子股份有限公司 Adjustable circuit device and voltage measuring device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523114A (en) * 1974-09-20 1978-08-31 Solartron Electronic Group Long scale display
GB1589957A (en) * 1977-05-23 1981-05-20 Fluke Mfg Co John Method and apparatus for determining the resistance value of an unknown resistance by measuring the conductance of that resistance
US4321530A (en) * 1979-07-11 1982-03-23 Sangamo Weston, Inc. Multimeter with tone indication
US4589073A (en) * 1982-05-05 1986-05-13 Dorman Smith Switchgear Limited Apparatus for determining prospective short circuit current
DE3226253A1 (en) * 1982-07-14 1984-01-26 Gossen Gmbh, 8520 Erlangen Battery-operated insulation measuring instrument
DE3775690D1 (en) * 1986-04-09 1992-02-13 Mueller & Weigert MULTIFUNCTIONAL MEASURING DEVICE.
US4908569A (en) * 1988-08-09 1990-03-13 Fest Otto P Transformerless line powdered digital AC voltmeter
CH681922A5 (en) * 1991-05-24 1993-06-15 Reichle & De Massari Fa
GB2264178A (en) * 1992-01-08 1993-08-18 Robin Electronics Ltd An insulation and/or continuity tester

Also Published As

Publication number Publication date
GB2273365B (en) 1997-01-29
GB2273365A (en) 1994-06-15
FR2697092A1 (en) 1994-04-22
DE4234789A1 (en) 1994-04-21
FR2697092B1 (en) 1996-10-11

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20131014