Conclusions
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1.
Considerations of the distinctive features of high-resistance standards emphasizes the necessity of the construction of special resistance standards for calibration purposes.
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2.
In working out the circuits and constructions of standards it is necessary to take account not only of the condition of their application but also the possibility of accurate determination of their values. It is expedient to use the principle of series-parallel connection, which makes it possible to certify a standard by means of the measurement of resistance values n2 times smaller than the nominal value of the standard.
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3.
The conditions under which a standard is certified must as far as possible approximate the conditions under which it is used; this applies especially to standards constructed with nonwire-wound resistors.
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4.
In developing standard briges with measurement limits exceeding the limits of existing standards (1013 Ω), it is advisable to provide in the circuit and construction of the bridge for the possibility of its certification by the star to delta conversion method.
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Literature cited
T. B. Rozhdestvenskaya and G. F. Pakratov, Tr. VNIIM, No. 52, 112 (1961).
V. P. Shigorin, Tr. VNIIM, No. 40, 100 (1959).
H. A. Sauer, “The design construction and performance of a wide range of dc conductance bridges,” IEEE Trans. Instrum. and Measur.,14, No. 3 (1965).
Additional information
Translated from Izmeritel'naya Tekhnika, No. 3, pp. 19–23, March, 1968.
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Rozhdestvenskaya, T.B., Zhutovskii, V.L. High-resistance standards. Meas Tech 11, 308–313 (1968). https://doi.org/10.1007/BF00980322
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DOI: https://doi.org/10.1007/BF00980322