Conclusions
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1.
The highest precision equipment has been produced for measuring moisture concentrations in the medium range of 0.1%–2.3%.
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2.
The sources of random and systematic errors were investigated. It was shown that there are no unaccounted for systematic errors.
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3.
The random error in measuring moisture concentrations with the SGI amounts to 1.6·10−3.
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4.
After additional work spent on it this equipment can be recommended as a reference one for certification purposes.
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Literature cited
A. A. Begunov, E. A. Gershkovich, and D. K. Kollrov, Izmeritel'. Tekh., No. 5 (1972).
A. Wekler and R. Hyland, The NBS Standard Hygrometer, Monograph (1963).
Sh. F. Kudryashova, S. G. Rabinovich, and K. A. Reznik, Transactions of the USSR Metrological Institutes, Izd. Standartov, Moscow-Leningrad (1972).
Additional information
Translated from Izmeritel'naya Tekhnika, No. 7, pp. 84–86, July, 1974.
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Begunov, A.A. Production and testing of a sorption gravimetric installation. Meas Tech 17, 1118–1121 (1974). https://doi.org/10.1007/BF00811909
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DOI: https://doi.org/10.1007/BF00811909