Abstract
The results of measurements of the length of an end gauge and of the length of the cylindrical part of the orifice of a diaphragm, carried out on an instrumental microscope using a pentaprism, included in the set of equipment, are presented.
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References
State Standard GOST 8.563.1-97. GSI, Measurement of the Flow Rate and Quality of Liquids and Gases by the Variable Pressure-Drop Method. Diaphragms, ISA 1932 Nozzles and Venturi Tubes, Placed in Filled Pipelines of Circular Section. Technical Conditions}
State Standard GOST 10-88, Inside Micrometers. Technical Conditions}
State Standard GOST 427-75, Metal Measuring Rulers. Technical Conditions}
M. G. Boguslavskii and Ya. M. Tseitlin, Instruments and Methods for Accurate Measurements of Length and Angles [in Russian], Izd. Standartov, Moscow (1976).
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Translated from Izmeritel'naya Tekhnika, No. 1, pp. 25–26, January, 2006.
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Ignat'ev, E.B. Equipment for monitoring the diaphragms used to measure flow rate by the variable pressure drop method. Meas Tech 49, 34–36 (2006). https://doi.org/10.1007/s11018-006-0058-z
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DOI: https://doi.org/10.1007/s11018-006-0058-z