Study on calibration method of light column sphygmomanometer

Yanghong Wang; Guangxin Dong; Mengxi He; Tingting Ren; Bo Zhou

doi:10.1117/12.3052618

18 November 2024 Study on calibration method of light column sphygmomanometer

Yanghong Wang, Guangxin Dong, Mengxi He, Tingting Ren, Bo Zhou

Proceedings Volume 13417, International Conference on Precision Instruments and Optical Engineering (PIOE 2024); 134170H (2024) https://doi.org/10.1117/12.3052618
Event: 4th International Conference on Precision Instruments and Optical Engineering (PIOE 2024), 2024, Kuala Lumpur, Malaysia

Abstract

Light column sphygmomanometer uses light column instead of mercury as the indicator of sphygmomanometer, which is clear and intuitive, easy to use, earthquake resistant, impact resistant, reliable and durable. However, because LED light column sphygmomanometer has no pointer or mechanical transmission indication, and the seal of the pressure sensor chamber is not connected to the atmosphere, the national verification regulation JJG 270-2008 sphygmomanometer is not applicable to it. Until now there is no relevant national verification regulation or calibration specification. This article analyzes and determines the key measurement parameters of light column sphygmomanometer and presents their corresponding calibration method, as well as analyzes the experimental results and carries out uncertainty evaluation of calibration results, according to the relevant characteristics of the light column sphygmomanometer, and with reference to JJG 270-2008 sphygmomanometer. The experimental results prove that the calibration method is operable for the calibration of light column sphygmomanometer, including its appearance, zero position error, pressure indication error, and air tightness, which provides the basis for the effective traceability of light column sphygmomanometer.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yanghong Wang, Guangxin Dong, Mengxi He, Tingting Ren, and Bo Zhou "Study on calibration method of light column sphygmomanometer", Proc. SPIE 13417, International Conference on Precision Instruments and Optical Engineering (PIOE 2024), 134170H (18 November 2024); https://doi.org/10.1117/12.3052618

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