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Level-measuring installation UUE1r-N-20 based on a laser interferometric measuring system
https://doi.org/10.32446/0368-1025it.2022-9-45-51
Abstract
Methods of increasing the accuracy of liquid level measurements are considered. The level-measuring installation UUE1r-N-20 with a direct change in the liquid level in the range of 0–20 m with a measuring system based on the XL-80 laser interferometry measuring system is presented. The principle of operation of the measuring system of the level-measuring installation is based on measuring the linear movements of the flu oat in the liquid relative to the zero reference point of the level measuring installation. A mathematical model is given for determining the liquid level using a level-measuring installation, taking into account the info hence of environmental parameters on the elements of the measuring system. The metrological characteristics of the level-measuring installation, including the uncertainty of liquid level measurements, are calculated. The confidence limits of the total measurement error of a liquid level unit with a confidence probability of 0.95 are ±0.11 mm when transferring a liquid level unit to standards or liquid level measuring instruments with a fixed zero reference point and ±0.044 mm when transferring a liquid level unit to standards or liquid level measuring instruments that do not have a fixed zero reference point.
About the Authors
V. Sh. Bikkulov
VNIIR – Affiliated Branch of D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Vadim Sh. Bikkulov
Kazan
A. V. Kondakov
VNIIR – Affiliated Branch of D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Alexander V. Kondakov
Kazan
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Review
For citations:
Bikkulov V.Sh., Kondakov A.V. Level-measuring installation UUE1r-N-20 based on a laser interferometric measuring system. Izmeritel`naya Tekhnika. 2022;(9):45-51. (In Russ.) https://doi.org/10.32446/0368-1025it.2022-9-45-51
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