SU1739313A1 - Device for measuring capacitance - Google Patents
Device for measuring capacitance Download PDFInfo
- Publication number
- SU1739313A1 SU1739313A1 SU904814066A SU4814066A SU1739313A1 SU 1739313 A1 SU1739313 A1 SU 1739313A1 SU 904814066 A SU904814066 A SU 904814066A SU 4814066 A SU4814066 A SU 4814066A SU 1739313 A1 SU1739313 A1 SU 1739313A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- measuring
- measuring capacitance
- measuring circuit
- integrator
- resistors
- Prior art date
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- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Изобретение относитс к импульсной технике и может быть использовано в приборах с емкостными измерительными преобразовател ми неэлектрических величин. Устройство дл измерени емкости содержит источник 1 переменного тока, компаратор-усилитель 2, измерительный прибор 3, клеммы 4, 6 дл подключени измерительной цепи, измерительную цепь 5, состо щую из конденсаторов 8, 9, диодов 10,11 и резисторов 12, 13, интегратор 7. Исключение погрешностей от изменени напр жений источников питани позвол ет повысить точность измерени .3 ил.The invention relates to a pulse technique and can be used in devices with capacitive measuring transducers of non-electric quantities. The device for measuring capacitance contains an alternating current source 1, a comparator amplifier 2, a measuring instrument 3, terminals 4, 6 for connecting a measuring circuit, a measuring circuit 5 consisting of capacitors 8, 9, diodes 10.11 and resistors 12, 13, integrator 7. Elimination of errors from changes in the voltage of the power supply sources allows to increase the measurement accuracy. 3 Il.
Description
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU904814066A SU1739313A1 (en) | 1990-04-13 | 1990-04-13 | Device for measuring capacitance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU904814066A SU1739313A1 (en) | 1990-04-13 | 1990-04-13 | Device for measuring capacitance |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1739313A1 true SU1739313A1 (en) | 1992-06-07 |
Family
ID=21508203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU904814066A SU1739313A1 (en) | 1990-04-13 | 1990-04-13 | Device for measuring capacitance |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1739313A1 (en) |
-
1990
- 1990-04-13 SU SU904814066A patent/SU1739313A1/en active
Non-Patent Citations (1)
Title |
---|
Авторское свидетельство СССР № 756315, кл. G 01 R 27/26, 1980. Патент US №3012192, кл. G01 R 27/26, 1961. * |
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