Automatic bridge for comparison of inductance standards

Musioł, K.; Met, A.; Skubis, T.

doi:10.1016/j.measurement.2010.09.019

Cited by 12 publications

(5 citation statements)

References 8 publications

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“…Equations (8) and (9) describe the values of the beam deflection and temperature change after calibration. The appropriate results are Included in Tab, 4 -column 3, Tab.…”

Section: Discussionmentioning

confidence: 99%

“…After substituting (6) into (8), the corrected value of the deflection change was obtained ΔX p =k 1 c 1 (U ̅ ABW -U ̅ ABW min ).…”

Section: Coefficients Of Calibration and Voltage Sensitivity To The Bmentioning

confidence: 99%

“…Also other solutions can be treated as differential measurement circuits, e.g. a classic double bridge (Pedersen et al, 2005) or an impedance unbalanced bridge (Musiol et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

The Calibration Process and Metrological Analysis of a Transducer Used to Measure Two Physical Quantities

Idźkowski

Gołębiowski

Walendziuk

2017

Acta Mechanica Et Automatica

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This article presents a way of calibration of an unconventional two-current circuit, named 2J+2R, which consists of two current sources and two referential resistors connected to the circuit mass. This bridge was used to measure the beam deflection and the temperature increase simultaneously with the use of a pair of metal strain gauges. This paper contains theoretical and corrected (after calibration) processing characteristics of the measurement circuit. Calibration coefficients of both inputs, responsible for measurement of the measured values in the places where the strain gauges are attached, were calculated. Moreover, the standard combined and expanded uncertainties of both calibration coefficients were calculated and an uncertainty budget was made.

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“…Equations (8) and (9) describe the values of the beam deflection and temperature change after calibration. The appropriate results are Included in Tab, 4 -column 3, Tab.…”

Section: Discussionmentioning

confidence: 99%

“…After substituting (6) into (8), the corrected value of the deflection change was obtained ΔX p =k 1 c 1 (U ̅ ABW -U ̅ ABW min ).…”

Section: Coefficients Of Calibration and Voltage Sensitivity To The Bmentioning

confidence: 99%

See 1 more Smart Citation

The Calibration Process and Metrological Analysis of a Transducer Used to Measure Two Physical Quantities

Idźkowski

Gołębiowski

Walendziuk

2017

Acta Mechanica Et Automatica

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“…Different approaches have been investigated to simplify the operation of transformerbased bridges using computer controlled IVDs [88,[90][91][92], electronic voltage sources [86,87,89,93,95] or high resolution DACs [94,96,98,99,101,102,166]. Using the adequate algorithm [183], the balance procedure of these digitallyassisted bridges can automati cally be performed within a few minutes [92,101,102] over a broad frequency range from 50 Hz to 50 kHz and with an uncertainty level of few parts in 10 8 .…”

Section: Transformer-based Bridgesmentioning

confidence: 99%

Impedance bridges: from Wheatstone to Josephson

Overney

Jeanneret

2018

Metrologia

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This paper reviews the recent evolution of the measurement techniques in the area of impedance measurement from the Wheatstone bridge to the most advanced Josephson based digital impedance bridge. The progress in the development of high sampling rate, high accuracy digitaltoanalog and analogtodigital converters has led to the development of digital impedance bridges that have profoundly modified the landscape of impedance metrology. Although these new bridges do not yet outperform the traditional transformer based bridge in terms of accuracy, they significantly improve their measurement capabilities and flexibility by allowing a complete automation, a full coverage of the complex plane, arbitrary bridge ratios and extended frequency range. In addition, after the redefinition of the International System of Unit, they will contribute to the realization of the henry and the farad by establishing a direct link between the quantized Hall resistance and the capacitance or inductance standards.

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“…Coherence tests are frequently carried out for newly designed equipment and systems. Examples are the KWL impedance bridges [3,4], designed by a team of scientists from the Institute of Measurement Science, Electronics and Control of Silesian University of Technology in the years 1997-2009, or automatic bridge designed by a team from Ukraine [5,6].…”

Section: Introductionmentioning

confidence: 99%

Coherence investigations of DC voltage group standard

Musioł¹,

Makowski²,

Skubis³

2015

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract.A method of checking coherence of comparison results of primary DC voltage group standards is described in the paper. Usefulness of the proposed method was proved by coherence investigation of DC voltage group standard kept in the Central Military Calibration Laboratory (CWOM, Warsaw, Poland). Results obtained for the group of five Fluke DC voltage standards prove very good coherence of voltage differences results and confirmed accuracy of DC voltage unit in the CWOM at the level of 10 −6 .

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Automatic bridge for comparison of inductance standards

Cited by 12 publications

References 8 publications

The Calibration Process and Metrological Analysis of a Transducer Used to Measure Two Physical Quantities

The Calibration Process and Metrological Analysis of a Transducer Used to Measure Two Physical Quantities

Impedance bridges: from Wheatstone to Josephson

Coherence investigations of DC voltage group standard

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