JPH0470590B2 - - Google Patents
Info
- Publication number
- JPH0470590B2 JPH0470590B2 JP56088039A JP8803981A JPH0470590B2 JP H0470590 B2 JPH0470590 B2 JP H0470590B2 JP 56088039 A JP56088039 A JP 56088039A JP 8803981 A JP8803981 A JP 8803981A JP H0470590 B2 JPH0470590 B2 JP H0470590B2
- Authority
- JP
- Japan
- Prior art keywords
- phase
- voltage
- current
- built
- circuit
- 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.)
- Expired - Lifetime
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
- G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56088039A JPS57203967A (en) | 1981-06-10 | 1981-06-10 | Digital meter of voltage, current and phase defference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56088039A JPS57203967A (en) | 1981-06-10 | 1981-06-10 | Digital meter of voltage, current and phase defference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57203967A JPS57203967A (en) | 1982-12-14 |
| JPH0470590B2 true JPH0470590B2 (enExample) | 1992-11-11 |
Family
ID=13931675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56088039A Granted JPS57203967A (en) | 1981-06-10 | 1981-06-10 | Digital meter of voltage, current and phase defference |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57203967A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100439647B1 (ko) * | 2001-08-17 | 2004-07-12 | 한홍석 | 휴대용 앵글미터 |
| JP2005287256A (ja) * | 2004-03-30 | 2005-10-13 | Tm T & D Kk | ディジタル形保護制御装置とその表示データ作成方法、および表示データ作成プログラム |
| JP5678253B2 (ja) * | 2010-03-31 | 2015-02-25 | 株式会社ダイヘン | 配電線用開閉器の検査装置 |
| JP2015225035A (ja) * | 2014-05-29 | 2015-12-14 | 三菱電機エンジニアリング株式会社 | 可搬型メンテナンスツール |
| CN111830349B (zh) * | 2020-07-21 | 2023-05-05 | 华立科技股份有限公司 | 电网事件检测方法、装置和电子设备 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55152476U (enExample) * | 1979-04-19 | 1980-11-04 | ||
| JPS5665479U (enExample) * | 1979-10-24 | 1981-06-01 |
-
1981
- 1981-06-10 JP JP56088039A patent/JPS57203967A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57203967A (en) | 1982-12-14 |
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