GB191308602A - Improved Means for use in Directly Measuring Small Variations or Differences in Electrical Resistance. - Google Patents

Improved Means for use in Directly Measuring Small Variations or Differences in Electrical Resistance.

Info

Publication number
GB191308602A
GB191308602A GB191308602DA GB191308602A GB 191308602 A GB191308602 A GB 191308602A GB 191308602D A GB191308602D A GB 191308602DA GB 191308602 A GB191308602 A GB 191308602A
Authority
GB
United Kingdom
Prior art keywords
small variations
differences
electrical resistance
improved means
directly measuring
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
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.)
ABB Training Center GmbH and Co KG
Original Assignee
Hartmann and Braun AG
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 Hartmann and Braun AG filed Critical Hartmann and Braun AG
Application granted granted Critical
Publication of GB191308602A publication Critical patent/GB191308602A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

8602. Hartmann & Braun Akt.-Ges. May 8, 1912, [Convention date]. Hygrometric apparatus. - Wet and drv resistance thermometers are used as variable resistances x, y in connexion with a special arrangement of ohmmeter to indicate small variations.
GB191308602D 1912-05-08 1913-04-11 Improved Means for use in Directly Measuring Small Variations or Differences in Electrical Resistance. Expired GB191308602A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191308602X 1912-05-08

Publications (1)

Publication Number Publication Date
GB191308602A true GB191308602A (en) 1913-09-04

Family

ID=32523036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191308602D Expired GB191308602A (en) 1912-05-08 1913-04-11 Improved Means for use in Directly Measuring Small Variations or Differences in Electrical Resistance.

Country Status (1)

Country Link
GB (1) GB191308602A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430756A (en) * 1944-11-29 1947-11-11 Manning Maxwell & Moore Inc Electrical temperature-indicating system
US2446015A (en) * 1943-10-16 1948-07-27 Control Instr Co Inc Electrolytic concentration indicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446015A (en) * 1943-10-16 1948-07-27 Control Instr Co Inc Electrolytic concentration indicator
US2430756A (en) * 1944-11-29 1947-11-11 Manning Maxwell & Moore Inc Electrical temperature-indicating system

Similar Documents

Publication Publication Date Title
ATE69897T1 (en) HIGH PERFORMANCE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURE.
CH404821A (en) Electrical resistance heating tape, its use and process for its manufacture
GB191308602A (en) Improved Means for use in Directly Measuring Small Variations or Differences in Electrical Resistance.
GB757462A (en)
GB648423A (en) Improvements in or relating to the manufacture of electrical semi-conductors
JPS5234789A (en) Apparatus for measuring quantity of hydrogen permeation
GB375692A (en) Improvements in or relating to ceramic electric heating bodies
GB776463A (en) A semi-conductive body with a negative temperature coefficient of resistance
GB730616A (en) Improvements in and relating to electric immersion heaters
GB759381A (en) Improvements in or relating to thermometers
GB108770A (en) A Recording Attachment for Electric Current Measuring and Testing Apparatus.
SU1226238A1 (en) Arrangement for testing thickness of conducting coatings on conducting base
GB142505A (en) Improvements in electric heating resistances
GB654736A (en) New and improved strain gauges and method of manufacturing the same
GB191219113A (en) Improvements in Apparatus for Measuring the Electric Conductivity of Liquids.
CA495836A (en) Electric resistance heater and heated vessel
GB191030313A (en) Improvements in Hand Spikes for Making Electrical Connections.
GB191325716A (en) Improvements in or relating to Electrical Resistance-measuring Apparatus.
GB699428A (en) Improvements in electrical resistances
GB191412032A (en) Improvements relating to the Testing of Insulation.
GB191303002A (en) Improvements in and relating to Detectors of Combustible Gases.
AU165728B2 (en) Ceramic formers for electric heating and resistance elements and elements incorporating such formers
ES201404A3 (en) Improvements introduced in the manufacture of electrical resistance. (Machine-translation by Google Translate, not legally binding)
GB190714747A (en) Improved Apparatus for Tempering Tools.
ES208864A1 (en) Procedure for manufacturing new products based on mica (Machine-translation by Google Translate, not legally binding)