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Korolev I. A. Alekseenko N. N. Porodnov B. T. Sapunov V. A. Savel'ev D. V. 《Measurement Techniques》2003,46(9):865-871
The design of a sylphon bellows sensor and the basic circuits of an LC-generator and of a microprocessor unit are presented. An analytical pressure–frequency conversion function and a special method of adjusting the sensor ensure an error of less than 0.05%. The dynamic range is up to 105. The instruments developed cover the ranges 103, 104, and 105 Pa. 相似文献
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Errors of pressure measurement are considered. The error as a function of the pressure for a vacuum gauge rated at up to 1000
Pa is calculated as an example. It is 0.15 ≤ δp/p ≤ 0.2% over a pressure range of 14 ≤ p ≤ 1000 Pa and it increases hyperbolically
up to 100% with p = 0.01 Pa. The parametric reliability of the instrument and its immunity to an accidental increase in pressure
the atmospheric level is substantiated.
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Translated from Izmeritel’naya Tekhnika, No. 9, pp. 37–41, September, 2006. 相似文献
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O. V. Sazhin 《Measurement Techniques》2006,49(3):276-285
Devices based on a high-frequency generator for investigating heat and mass transfer in a rarefied gas — solid system are
described. Their fundamental characteristics are given and procedures and results of tests are presented.
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Translated from Izmeteritel’naya Tekhnika, No. 3, pp. 49–54, March, 2006. 相似文献
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