JPS57200869A - Measurement of insulation resistance - Google Patents

Measurement of insulation resistance

Info

Publication number
JPS57200869A
JPS57200869A JP8639181A JP8639181A JPS57200869A JP S57200869 A JPS57200869 A JP S57200869A JP 8639181 A JP8639181 A JP 8639181A JP 8639181 A JP8639181 A JP 8639181A JP S57200869 A JPS57200869 A JP S57200869A
Authority
JP
Japan
Prior art keywords
transformer
line
current
low frequency
insulation resistance
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
JP8639181A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0312257B2 (enrdf_load_stackoverflow
Inventor
Tatsuji Matsuno
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.)
Toyo Communication Equipment Co Ltd
Original Assignee
Toyo Communication Equipment Co 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 Toyo Communication Equipment Co Ltd filed Critical Toyo Communication Equipment Co Ltd
Priority to JP8639181A priority Critical patent/JPS57200869A/ja
Publication of JPS57200869A publication Critical patent/JPS57200869A/ja
Publication of JPH0312257B2 publication Critical patent/JPH0312257B2/ja
Granted 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)
JP8639181A 1981-06-04 1981-06-04 Measurement of insulation resistance Granted JPS57200869A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8639181A JPS57200869A (en) 1981-06-04 1981-06-04 Measurement of insulation resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8639181A JPS57200869A (en) 1981-06-04 1981-06-04 Measurement of insulation resistance

Publications (2)

Publication Number Publication Date
JPS57200869A true JPS57200869A (en) 1982-12-09
JPH0312257B2 JPH0312257B2 (enrdf_load_stackoverflow) 1991-02-19

Family

ID=13885568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8639181A Granted JPS57200869A (en) 1981-06-04 1981-06-04 Measurement of insulation resistance

Country Status (1)

Country Link
JP (1) JPS57200869A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127174A (ja) * 1982-01-26 1983-07-28 Toyo Commun Equip Co Ltd 活線回路の簡易絶縁抵抗測定方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541668A (en) * 1977-06-06 1979-01-08 Tokyo Electric Power Co Inc:The Grounding resistance measuring apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541668A (en) * 1977-06-06 1979-01-08 Tokyo Electric Power Co Inc:The Grounding resistance measuring apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127174A (ja) * 1982-01-26 1983-07-28 Toyo Commun Equip Co Ltd 活線回路の簡易絶縁抵抗測定方法

Also Published As

Publication number Publication date
JPH0312257B2 (enrdf_load_stackoverflow) 1991-02-19

Similar Documents

Publication Publication Date Title
GB1535110A (en) Capacitance measuring bridge
JPS57200869A (en) Measurement of insulation resistance
JPS54121175A (en) Leak detector
JPH0313742Y2 (enrdf_load_stackoverflow)
JPS52154055A (en) Fault point locator
JPS5253472A (en) Ground resistance meter
JPS52147748A (en) Phaseless voltage detector
JPS54109883A (en) Floating capacity measuring apparatus
JPS56141568A (en) Method for measuring insulation resistance and floating capacity to ground of single-phase 3-wire type electric circuit
SU756200A1 (ru) Наклономер 1
SU480022A1 (ru) Импедансный мост переменного тока
JPS5526409A (en) Liquid surface detection element of extremely low-temperature cooling medium
JPS532741A (en) Inductive heating unit
JPS54104898A (en) Magnetism detecting circuit
JPS56111471A (en) Measuring device for resistance value of coil
JPS5352901A (en) Detection and detector for fault point in motor
JPS54146913A (en) In-phase current detector circuit
JPS5571914A (en) Superconductive liquid level indicator
JPS55128163A (en) Method for measurement of resistance of conductive cover
Baeckmann New considerations in catholic corrosion protection
JPS578460A (en) Earth resistance tester
JPS5560801A (en) Displacement detector
JPS5552962A (en) Device for continuously measuring infinitesimal change of high frequency, sensitivity, stability and low impedance
JPS5582012A (en) Displacement meter of eddy current type
JPS5348479A (en) Dv/dt rating measuring circuit of thyristor