The design of an infrared gas microflowmeter based on measurements of flow rate performed from the radiancy of the surface of a heat-sensitive element, or spiral heated to 1270 K, is described. The maximum output signal of the flowmeter is 30 V, the sensitivity 4.5 V/(mg·sec−1), and relative error 0.2−0.5%.
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A. V. Rumyantsev, P. R. Shevchenko, and K. V. Gus’kov, “An infrared microflowmeter of gas,” Prib. Tekhn. Eksperim., No. 3, 150–154 (2007).
A. V. Rumyantsev and K. V. Gus’kov, “Variable-power thermal gas microflowmeters,” Izmer. Tekhn., No. 8, 37–41 (2007); Measur. Techn., 50, No. 8, 854–860 (2007).
A. V. Rumyantsev and K. V. Gus’kov, “A variable-power microflowmeter of gas with specified sensitivity,” Prib. Tekhn. Eksperim., No. 1, 149–154 (2008).
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Translated from Izmeritel’naya Tekhnika, No. 4, pp. 34–37, April, 2015.
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Rumyantsev, A.V., Chubov, P.N. An Infrared Gas Microflowmeter. Meas Tech 58, 412–418 (2015). https://doi.org/10.1007/s11018-015-0727-x
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DOI: https://doi.org/10.1007/s11018-015-0727-x