JPH0285367U - - Google Patents
Info
- Publication number
- JPH0285367U JPH0285367U JP16427188U JP16427188U JPH0285367U JP H0285367 U JPH0285367 U JP H0285367U JP 16427188 U JP16427188 U JP 16427188U JP 16427188 U JP16427188 U JP 16427188U JP H0285367 U JPH0285367 U JP H0285367U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- amplifier
- current
- changeover
- changeover switch
- 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
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本案による一実施例である。
１…分流器、２…ＯＰアンプ、３…利得調整回
路、４…デジタルボルトメーター入力端子、５…
小数点位置切り替え端子、６…デジタルボルトメ
ーター本体、７…電流表示板、ＳＷ１…利得調整
回路切替えスイツチ、ＳＷ２…小数点位置切替え
スイツチである。
FIG. 1 shows an embodiment according to the present invention. 1... Shunt filter, 2... OP amplifier, 3... Gain adjustment circuit, 4... Digital voltmeter input terminal, 5...
Decimal point position switching terminal, 6...digital voltmeter body, 7...current display board, SW1...gain adjustment circuit switching switch, SW2...decimal point position switching switch.
Claims (1)
Ｐアンプに入れ、該ＯＰアンプの利得調整回路の
抵抗を切替スイツチで切り替え、ＯＰアンプの出
力をデジタルボルトメーターに接続し、前記切替
スイツチに連動する切替スイツチでデジタルボル
トメーターの切替端子を切り替え、電流値を直読
出来る事を特徴とする直流電流測定装置。 The current signal detected by the DC current by the shunt is
P amplifier, switch the resistance of the gain adjustment circuit of the OP amplifier with a changeover switch, connect the output of the OP amplifier to a digital voltmeter, and switch the changeover terminal of the digital voltmeter with a changeover switch linked to the changeover switch, A DC current measuring device characterized by the ability to directly read current values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16427188U JPH0285367U (en) | 1988-12-19 | 1988-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16427188U JPH0285367U (en) | 1988-12-19 | 1988-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285367U true JPH0285367U (en) | 1990-07-04 |
Family
ID=31449736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16427188U Pending JPH0285367U (en) | 1988-12-19 | 1988-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285367U (en) |
-
1988
- 1988-12-19 JP JP16427188U patent/JPH0285367U/ja active Pending
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