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EnglishWe present a capacitance build-up method suitable for the determination of the measurement error of a capacitance meter. The method requires only a small number of uncalibrated base capacitors, to be connected in parallel in various combinations, and a single calibrated capacitor, which provides measurement traceability. The outcome of the method is both the determination of the meter error and the calibration of all the base capacitors; it can therefore be also considered a capacitance scaling method. The method's equations, cast in matrix form, express estimates and uncertainties for all the quantities of interest. As an example of application, a commercial LCR meter is calibrated in the ranges of (100-1000) pF and (1-10) nF at 1.6 and 10 kHz, with an accuracy at the level of a few parts in 10(6). The calibration is validated by comparison with an ultrahigh accuracy capacitance bridge.
A Capacitance Build-Up Method to Determine LCR Meter Errors and Capacitance Transfer / Tran, Ntm; D'Elia, V; Callegaro, L; Ortolano, M. - In: IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT. - ISSN 0018-9456. - 69:8(2020), pp. 5727-5735. [10.1109/TIM.2019.2960620]
| Titolo: | A Capacitance Build-Up Method to Determine LCR Meter Errors and Capacitance Transfer | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Rivista: | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/TIM.2019.2960620 | |
| Abstract: | We present a capacitance build-up method suitable for the determination of the measurement error ...of a capacitance meter. The method requires only a small number of uncalibrated base capacitors, to be connected in parallel in various combinations, and a single calibrated capacitor, which provides measurement traceability. The outcome of the method is both the determination of the meter error and the calibration of all the base capacitors; it can therefore be also considered a capacitance scaling method. The method's equations, cast in matrix form, express estimates and uncertainties for all the quantities of interest. As an example of application, a commercial LCR meter is calibrated in the ranges of (100-1000) pF and (1-10) nF at 1.6 and 10 kHz, with an accuracy at the level of a few parts in 10(6). The calibration is validated by comparison with an ultrahigh accuracy capacitance bridge. | |
| Full-text (pubblici): | mixed | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11696/64794
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