JPS58186471U - High insulation resistance measuring device - Google Patents
High insulation resistance measuring deviceInfo
- Publication number
- JPS58186471U JPS58186471U JP8351482U JP8351482U JPS58186471U JP S58186471 U JPS58186471 U JP S58186471U JP 8351482 U JP8351482 U JP 8351482U JP 8351482 U JP8351482 U JP 8351482U JP S58186471 U JPS58186471 U JP S58186471U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- measuring device
- insulation resistance
- resistance 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.)
- Pending
Links
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例のブロック図、第２図は同基
本回路図である。ここで、ＤＦは指示計Ｍの逆振れ防止
用、ＣＣは同軸ケーブル、Ｇは被測抵抗ＲＸのガードで
ある。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a basic circuit diagram of the same. Here, DF is for preventing reverse vibration of the indicator M, CC is a coaxial cable, and G is a guard for the resistance to be measured RX.
Claims (1)
た電圧■Ｆを得るための、対数圧縮回路Ｄ′Ｌに対数ダ
イオード囚を用い、その電圧を低下させずに検出し、適
切な大きさに増幅するための、入力バッファ回路Ａ’
１および電圧増幅回路Ａ’ ２に演算増幅器Ａ□、 Ａ
２を用い、検出・増幅された電圧Ｅ１．Ｅ２によって駆
動される、目盛拡大回路Ｄ′２にツェナーダイオードＤ
２を用い、これらの回路を基本構成として、これに印加
電圧回路・ｉＥ’ｓと出力泊示計Ｍとを備え、被測抵抗
Ｒｘを適切な目盛間隔で出力指示計に、指示させること
を特徴とする高絶縁抵抗測定装置。A logarithmic diode is used in the logarithmic compression circuit D'L to obtain a voltage F proportional to the logarithm of the current flowing through an insulator (high/ultra-high resistance), and the voltage is detected without decreasing, and the appropriate Input buffer circuit A' to amplify the size
1 and voltage amplification circuit A'; operational amplifier A□, A in 2;
2, the detected and amplified voltage E1. A Zener diode D is connected to the scale enlargement circuit D'2 driven by E2.
2, with these circuits as the basic configuration, it is equipped with an applied voltage circuit iE's and an output indicator M, and the output indicator indicates the resistance to be measured Rx at appropriate scale intervals. Features: High insulation resistance measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8351482U JPS58186471U (en) | 1982-06-07 | 1982-06-07 | High insulation resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8351482U JPS58186471U (en) | 1982-06-07 | 1982-06-07 | High insulation resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58186471U true JPS58186471U (en) | 1983-12-10 |
Family
ID=30092521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8351482U Pending JPS58186471U (en) | 1982-06-07 | 1982-06-07 | High insulation resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58186471U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612558A (en) * | 1979-07-12 | 1981-02-06 | Yokogawa Hokushin Electric Corp | Insulation resistance meter |
| JPS5667767A (en) * | 1979-11-06 | 1981-06-08 | Yokogawa Hokushin Electric Corp | Logarithmic conversion circuit for insulation resistance meter |
-
1982
- 1982-06-07 JP JP8351482U patent/JPS58186471U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612558A (en) * | 1979-07-12 | 1981-02-06 | Yokogawa Hokushin Electric Corp | Insulation resistance meter |
| JPS5667767A (en) * | 1979-11-06 | 1981-06-08 | Yokogawa Hokushin Electric Corp | Logarithmic conversion circuit for insulation resistance meter |
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