KR900010495U - 다기능 계측기 - Google Patents

다기능 계측기

Info

Publication number
KR900010495U
KR900010495U KR2019880018768U KR880018768U KR900010495U KR 900010495 U KR900010495 U KR 900010495U KR 2019880018768 U KR2019880018768 U KR 2019880018768U KR 880018768 U KR880018768 U KR 880018768U KR 900010495 U KR900010495 U KR 900010495U
Authority
KR
South Korea
Prior art keywords
multifunction instrument
multifunction
instrument
Prior art date
Application number
KR2019880018768U
Other languages
English (en)
Other versions
KR910008599Y1 (ko
Inventor
유민수
Original Assignee
재단법인 한국전기안전공사
다다전기 제작소
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 재단법인 한국전기안전공사, 다다전기 제작소 filed Critical 재단법인 한국전기안전공사
Priority to KR2019880018768U priority Critical patent/KR910008599Y1/ko
Publication of KR900010495U publication Critical patent/KR900010495U/ko
Application granted granted Critical
Publication of KR910008599Y1 publication Critical patent/KR910008599Y1/ko

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
    • 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
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • 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
    • G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
    • G01R27/205—Measuring contact resistance of connections, e.g. of earth connections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
KR2019880018768U 1988-11-18 1988-11-18 다기능 계측기 KR910008599Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880018768U KR910008599Y1 (ko) 1988-11-18 1988-11-18 다기능 계측기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880018768U KR910008599Y1 (ko) 1988-11-18 1988-11-18 다기능 계측기

Publications (2)

Publication Number Publication Date
KR900010495U true KR900010495U (ko) 1990-06-02
KR910008599Y1 KR910008599Y1 (ko) 1991-10-26

Family

ID=19281468

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880018768U KR910008599Y1 (ko) 1988-11-18 1988-11-18 다기능 계측기

Country Status (1)

Country Link
KR (1) KR910008599Y1 (ko)

Also Published As

Publication number Publication date
KR910008599Y1 (ko) 1991-10-26

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Legal Events

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19961023

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee