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<p>In order to enhance the quality of evaporation data, research has been conducted on the metrology of ultrasonic evaporation sensors. By analyzing the principles underlying ultrasonic sensors and their metrological characteristics, this study focuses on the development of metrological detection devices for ultrasonic evaporation sensors. The hardware design incorporates an enhanced voltage measurement circuit along with touch display components, utilizing low-temperature drift high-precision resistors to ensure a stable resistance environment. The software employs the C# programming language to facilitate the acquisition, transmission, processing, and display of data, and incorporates the digital multimeter data monitoring channel. A comparison test was conducted between the experimental points (0, 60 and 98.1&#xa0;mm), the measurement results of the metrological testing device, and the standard method (galvanometry) of the maximum difference of 0.0006&#xa0;mm. The Guide to the Expression of Uncertainty in Measurement (GUM) method was utilized to evaluate the results. The uncertainty associated with the current measurement technique and the measurement outcomes of this device were assessed using the GUM method, yielding U = 0.058&#xa0;mm (with a coverage factor k = 2) and U = 0.029&#xa0;mm (with a coverage factor k = 2), respectively. The study demonstrated that the device operated correctly, with measurement data showing high agreement with the flow measurement method. The uncertainty of the device was approximately half that of the flow measurement method, resulting in higher quality measurement data.</p>

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Research on Metrological Detection Device for Ultrasonic Sensor for Evaporation Measurement

  • 期刊论文

  • 发表日期：

    2025年6月23日

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  • Taocheng Zhou,
  • Mingming Wei,
  • Xingwang Chen,
  • Yang Zeng,
  • Debing Zheng

摘要

In order to enhance the quality of evaporation data, research has been conducted on the metrology of ultrasonic evaporation sensors. By analyzing the principles underlying ultrasonic sensors and their metrological characteristics, this study focuses on the development of metrological detection devices for ultrasonic evaporation sensors. The hardware design incorporates an enhanced voltage measurement circuit along with touch display components, utilizing low-temperature drift high-precision resistors to ensure a stable resistance environment. The software employs the C# programming language to facilitate the acquisition, transmission, processing, and display of data, and incorporates the digital multimeter data monitoring channel. A comparison test was conducted between the experimental points (0, 60 and 98.1 mm), the measurement results of the metrological testing device, and the standard method (galvanometry) of the maximum difference of 0.0006 mm. The Guide to the Expression of Uncertainty in Measurement (GUM) method was utilized to evaluate the results. The uncertainty associated with the current measurement technique and the measurement outcomes of this device were assessed using the GUM method, yielding U = 0.058 mm (with a coverage factor k = 2) and U = 0.029 mm (with a coverage factor k = 2), respectively. The study demonstrated that the device operated correctly, with measurement data showing high agreement with the flow measurement method. The uncertainty of the device was approximately half that of the flow measurement method, resulting in higher quality measurement data.