JPS573052A - Earth resistance tester - Google Patents
Earth resistance testerInfo
- Publication number
- JPS573052A JPS573052A JP7826480A JP7826480A JPS573052A JP S573052 A JPS573052 A JP S573052A JP 7826480 A JP7826480 A JP 7826480A JP 7826480 A JP7826480 A JP 7826480A JP S573052 A JPS573052 A JP S573052A
- Authority
- JP
- Japan
- Prior art keywords
- influence
- ground potential
- source
- supplied
- frequency
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7826480A JPS573052A (en) | 1980-06-09 | 1980-06-09 | Earth resistance tester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7826480A JPS573052A (en) | 1980-06-09 | 1980-06-09 | Earth resistance tester |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS573052A true JPS573052A (en) | 1982-01-08 |
Family
ID=13657115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7826480A Pending JPS573052A (en) | 1980-06-09 | 1980-06-09 | Earth resistance tester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS573052A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989012261A1 (en) * | 1988-06-03 | 1989-12-14 | Michael Teitel | Master hologram and micropattern replication method |
CN106526329A (zh) * | 2016-11-10 | 2017-03-22 | 广东电网有限责任公司电力科学研究院 | 一种测量地表到深层大地电阻率的方法及装置 |
CN109490635A (zh) * | 2018-12-25 | 2019-03-19 | 国网江苏省电力有限公司南京供电分公司 | 杆塔接地电阻在线监测系统及在线监测方法 |
-
1980
- 1980-06-09 JP JP7826480A patent/JPS573052A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989012261A1 (en) * | 1988-06-03 | 1989-12-14 | Michael Teitel | Master hologram and micropattern replication method |
CN106526329A (zh) * | 2016-11-10 | 2017-03-22 | 广东电网有限责任公司电力科学研究院 | 一种测量地表到深层大地电阻率的方法及装置 |
CN106526329B (zh) * | 2016-11-10 | 2018-12-28 | 广东电网有限责任公司电力科学研究院 | 一种测量地表到深层大地电阻率的方法及装置 |
CN109490635A (zh) * | 2018-12-25 | 2019-03-19 | 国网江苏省电力有限公司南京供电分公司 | 杆塔接地电阻在线监测系统及在线监测方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES485464A1 (es) | Perfeccionamientos en dispositivos de comprobacion para in- dicar una tension electrica y- su polaridad. | |
SE8502036D0 (sv) | Apparat och forfarande for att bestemma verdet av en kapacitans apparat och forfarande for att bestemma verdet av en kapacitans | |
SE7903678L (sv) | Anordning for magnetisk eller magnetinduktiv materialprovning | |
JPS573052A (en) | Earth resistance tester | |
JPS57137868A (en) | Test equipment for electronic wattmeter | |
Ramm et al. | Calibration of electronic capacitance and dissipation factor bridges | |
GB1070081A (en) | Improvements in or relating to apparatus for the direct measurement of capacitance | |
SU1370648A1 (ru) | Устройство дл испытани электронного оборудовани по питающему напр жению | |
US3872722A (en) | Low drain pulse generator | |
Moore et al. | Corona Measuring Techniques for Power Transformers | |
SU1441331A1 (ru) | Способ измерени внутреннего сопротивлени вольтметра | |
RU2090987C1 (ru) | Устройство для нестационарной зондовой диагностики плазмы | |
SU720502A1 (ru) | Формирователь последовательности импульсов | |
GB858240A (en) | An electric measuring apparatus for measuring the time integral of momentary pulses | |
SU769422A1 (ru) | Электронный кулонометр с контролируемым потенциалом | |
SU447619A1 (ru) | Способ измерени малых напр жений посто нного тока | |
JPS55119074A (en) | Test apparatus for ic | |
GB939686A (en) | Improvements in or relating to gas chromatograph apparatus | |
SU853575A1 (ru) | Устройство дл измерени импульснойМАгНиТНОй пРОНицАЕМОСТи | |
SU1123001A1 (ru) | Устройство дл электроразведки методом вызванной пол ризации | |
JPS5269673A (en) | Magnetic signal detecting circuit | |
SU1278753A1 (ru) | Устройство дл геоэлектроразведки | |
SU119613A1 (ru) | Способ бесконтактного измерени высоких потенциалов | |
SU1661672A1 (ru) | Способ определени коэффициента делени емкостных делителей импульсного напр жени | |
GB849656A (en) | Improvements in or relating to circuits for the electrical measurment of time intervals |