JPS6256982B2 - - Google Patents

Info

Publication number
JPS6256982B2
JPS6256982B2 JP54013731A JP1373179A JPS6256982B2 JP S6256982 B2 JPS6256982 B2 JP S6256982B2 JP 54013731 A JP54013731 A JP 54013731A JP 1373179 A JP1373179 A JP 1373179A JP S6256982 B2 JPS6256982 B2 JP S6256982B2
Authority
JP
Japan
Prior art keywords
voltage
circuit
current
resistor
reference voltage
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
JP54013731A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55106365A (en
Inventor
Masaaki Saijo
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.)
YOKOKAWA DENKI KK
Original Assignee
YOKOKAWA DENKI KK
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 YOKOKAWA DENKI KK filed Critical YOKOKAWA DENKI KK
Priority to JP1373179A priority Critical patent/JPS55106365A/ja
Priority to BR7906260A priority patent/BR7906260A/pt
Priority to DE19792940524 priority patent/DE2940524C2/de
Priority to GB7938637A priority patent/GB2041545A/en
Priority to NL8000629A priority patent/NL187997C/xx
Publication of JPS55106365A publication Critical patent/JPS55106365A/ja
Publication of JPS6256982B2 publication Critical patent/JPS6256982B2/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)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
JP1373179A 1979-02-08 1979-02-08 Megger Granted JPS55106365A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1373179A JPS55106365A (en) 1979-02-08 1979-02-08 Megger
BR7906260A BR7906260A (pt) 1979-02-08 1979-09-28 Analisador de resistencia de isolamento de voltagem constante
DE19792940524 DE2940524C2 (de) 1979-02-08 1979-10-05 Isolationswiderstandsprüfer
GB7938637A GB2041545A (en) 1979-02-08 1979-11-07 Constant voltage insulation resistance tester
NL8000629A NL187997C (nl) 1979-02-08 1980-01-31 Inrichting voor het onderzoeken van een isolatieweerstand.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1373179A JPS55106365A (en) 1979-02-08 1979-02-08 Megger

Publications (2)

Publication Number Publication Date
JPS55106365A JPS55106365A (en) 1980-08-15
JPS6256982B2 true JPS6256982B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-11-28

Family

ID=11841380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1373179A Granted JPS55106365A (en) 1979-02-08 1979-02-08 Megger

Country Status (5)

Country Link
JP (1) JPS55106365A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7906260A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2940524C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2041545A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL187997C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643062U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-09-11 1981-04-20
DE3308793A1 (de) * 1982-07-14 1984-09-13 Gossen GmbH Mess- und Regeltechnik, 8520 Erlangen Batteriebetriebenes isolationsmessgeraet
DE3226253A1 (de) * 1982-07-14 1984-01-26 Gossen Gmbh, 8520 Erlangen Batteriebetriebenes isolationsmessgeraet
US7990162B2 (en) * 2007-08-14 2011-08-02 Fluke Corporation Systems and methods for an open circuit current limiter
CN115792522B (zh) * 2022-12-08 2023-07-28 青岛艾测科技有限公司 一种容性负载绝缘检测方法、装置和设备
CN116338324B (zh) * 2023-05-30 2023-07-25 深圳市鼎阳科技股份有限公司 一种电阻测量电路、方法、万用表及存储介质

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054168B (de) * 1958-02-10 1959-04-02 Wandel & Goltermann Schaltungsanordnung zur Messung von Isolationswiderstaenden von Kabeln

Also Published As

Publication number Publication date
JPS55106365A (en) 1980-08-15
NL187997C (nl) 1992-03-02
DE2940524C2 (de) 1982-11-04
NL8000629A (nl) 1980-08-12
DE2940524A1 (de) 1980-08-14
GB2041545A (en) 1980-09-10
BR7906260A (pt) 1980-10-14

Similar Documents

Publication Publication Date Title
TW490920B (en) The current detecting circuit and the DC/DC converter using the current detecting circuit
US5621629A (en) Switching power supply for use in an electronic energy meter having a wide range of input voltages
US3160805A (en) Battery charger
US5777462A (en) Mode configurable DC power supply
US5220495A (en) Arrangement and method for accurately sensing voltage of a high-impedance source and supplying power to a variable burden
JPH04319295A (ja) 放電ランプの点灯回路装置
US20120194149A1 (en) Power supply circuit, control method for controlling power supply circuit, and electronic device incorporating power supply circuit
US7969176B2 (en) Voltage margin test device
JPS6256982B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TWI669885B (zh) Battery charge and discharge management method and system
US20060044851A1 (en) Resistor dropper power supply with surge protection
KR820001526B1 (ko) 절연 저항계
US20220149736A1 (en) Simple constant current limit for sepic or boost converter
JPS60500317A (ja) 電圧調整器
JPS6244370Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5939652Y2 (ja) 絶縁抵抗測定装置
CN115128322A (zh) 用于监测电流源的电流检测电路和集成电路
US3524135A (en) Error reducing metering for a constant current regulated power supply
Vinko et al. Soft-Start Circuit in Wireless Power Transmission System
JPS6244371Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
Fodor et al. Automotive Lead-Acid Battery Supplied DC-DC Power Converter with Variable Output Voltage
US3404330A (en) Dc constant-voltage device
RU2042247C1 (ru) Универсальное зарядное устройство агат-ц-узу и способ градуировки измерителя напряжения, подключаемого для контроля напряжения на выходе универсального зарядного устройства
HU184336B (en) Resistor/voltage converting circuit arrangement with input protection andwoltage supply source directly loaded with reference current
JPH10111327A (ja) 絶縁抵抗計