JPH02148477U - - Google Patents
Info
- Publication number
- JPH02148477U JPH02148477U JP5877289U JP5877289U JPH02148477U JP H02148477 U JPH02148477 U JP H02148477U JP 5877289 U JP5877289 U JP 5877289U JP 5877289 U JP5877289 U JP 5877289U JP H02148477 U JPH02148477 U JP H02148477U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- current
- resistor
- voltage
- resistors
- 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
- 238000005259 measurement Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Description
第１図はこの考案の低抵抗測定器の一例を一部
回路図で示すブロツク線図、第２図はこの考案の
別の例を示すブロツク線図である。
１，２……電流端子、３，４……電圧測定端子
、５〜１０……抵抗器、１１……定電流回路、１
２，１３……スイツチ、１４……差動増幅器、１
５……ＡＤ変換器、１６……演算処理装置、１７
……表示器、１８，１９……比較器。
FIG. 1 is a block diagram showing a partial circuit diagram of an example of the low resistance measuring device of this invention, and FIG. 2 is a block diagram showing another example of this invention. 1, 2... Current terminal, 3, 4... Voltage measurement terminal, 5-10... Resistor, 11... Constant current circuit, 1
2, 13...Switch, 14...Differential amplifier, 1
5...AD converter, 16... Arithmetic processing unit, 17
...Indicator, 18, 19...Comparator.
Claims (1)
なる４端子法による低抵抗測定装置において、電
流端子と電圧端子間に第１の抵抗器を接続し、電
流端子と第２の抵抗器の一方を接続し、電圧端子
と第３の抵抗器の一方を接続し、第２の抵抗器と
第３の抵抗器の他方はそれぞれの別の電位に接続
し、電流端子と電圧端子間に電位差を生じさせ、
この電位差の有無により測定端子の状態を感知す
ることを特徴とする低抵抗測定装置。 In a low resistance measuring device using a four-terminal method in which one pair of current and voltage terminals serves as one measurement terminal, a first resistor is connected between the current and voltage terminals, and one of the current and second resistors is connected. , connect the voltage terminal and one of the third resistors, connect the other of the second resistor and the third resistor to their respective different potentials, and create a potential difference between the current terminal and the voltage terminal. cause
A low resistance measuring device characterized by sensing the state of a measuring terminal based on the presence or absence of this potential difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5877289U JPH02148477U (en) | 1989-05-22 | 1989-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5877289U JPH02148477U (en) | 1989-05-22 | 1989-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02148477U true JPH02148477U (en) | 1990-12-17 |
Family
ID=31584686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5877289U Pending JPH02148477U (en) | 1989-05-22 | 1989-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02148477U (en) |
-
1989
- 1989-05-22 JP JP5877289U patent/JPH02148477U/ja active Pending
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