JPH01134266U - - Google Patents
Info
- Publication number
- JPH01134266U JPH01134266U JP2998088U JP2998088U JPH01134266U JP H01134266 U JPH01134266 U JP H01134266U JP 2998088 U JP2998088 U JP 2998088U JP 2998088 U JP2998088 U JP 2998088U JP H01134266 U JPH01134266 U JP H01134266U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- input
- voltage
- divided
- measured
- 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
Links
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図はこの考案に係る入力回路を備えた計測
器の要部構成図、第２図は入力部の動作説明用等
価回路図、第３図は従来装置の要部構成図、第４
図はその入力部における雑音電圧の影響説明用回
路図である。
図中、３は測定部、４は被測定信号源、１０は
計測器、Ａ，Ｂは入力端子、Ｒ１，Ｒ２，Ｒ３は
抵抗である。
Fig. 1 is a block diagram of the main parts of a measuring instrument equipped with an input circuit according to this invention, Fig. 2 is an equivalent circuit diagram for explaining the operation of the input section, Fig. 3 is a block diagram of main parts of a conventional device, and Fig. 4
The figure is a circuit diagram for explaining the influence of noise voltage on the input section. In the figure, 3 is a measuring section, 4 is a signal source to be measured, 10 is a measuring device, A and B are input terminals, and R 1 , R 2 , and R 3 are resistors.
Claims (1)
る入力回路を有し、上記入力端子に加わる被測定
電圧を上記回路にて所定の比に分圧し測定部にて
測定する計測器の入力回路において、 上記２つの入力端子間に直列的に接続された所
定の抵抗値を有する第１、第２、及び第３の抵抗
を備え、該第１の抵抗と第２の抵抗との接続箇所
を上記被測定入力電圧の分圧出力端として上記側
定部の入力側へ接続するとともに、上記第２の抵
抗と第３の抵抗との接続箇所を上記測定部のコモ
ン配線側へ接続したことを特徴とする計測器の入
力回路。[Claims for Utility Model Registration] It has an input circuit consisting of a plurality of resistors connected to two input terminals, the voltage to be measured applied to the input terminals is divided into a predetermined ratio by the circuit, and the voltage is divided into a predetermined ratio by the measuring section. In the input circuit of the measuring instrument to be measured, first, second, and third resistors having predetermined resistance values are connected in series between the two input terminals, and the first resistor and the second resistor are connected in series. The connection point with the resistor is connected to the input side of the side constant section as the divided voltage output terminal of the input voltage to be measured, and the connection point between the second resistor and the third resistor is connected to the common of the measurement section. An input circuit for a measuring instrument characterized by being connected to the wiring side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2998088U JPH0714911Y2 (en) | 1988-03-07 | 1988-03-07 | Input circuit of measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2998088U JPH0714911Y2 (en) | 1988-03-07 | 1988-03-07 | Input circuit of measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01134266U true JPH01134266U (en) | 1989-09-13 |
| JPH0714911Y2 JPH0714911Y2 (en) | 1995-04-10 |
Family
ID=31254632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2998088U Expired - Lifetime JPH0714911Y2 (en) | 1988-03-07 | 1988-03-07 | Input circuit of measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0714911Y2 (en) |
-
1988
- 1988-03-07 JP JP2998088U patent/JPH0714911Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0714911Y2 (en) | 1995-04-10 |
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