Field Calibration Method of Pressure Sensors for AWS
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Abstract:
In order to ensure the comparability of AWS pressure sensors for insite calibration and understand the temperature characteristics of standard pressure measuring instruments, experiments were conducted at different environmental temperatures and normal pressure. Based on the calibration data in Shandong Province from 2005 to 2007, the tendency of pressure calibration errors is analyzed with the contrast method. The results show that regardless of increase or decrease of the temperature, the display values exhibited a growing trend, with the additive errors being 0.10 to 0.28 hPa, resulting in misjudgment on the performance of pressure sensors. The new calibration method proved practical in practice and can reduce or eliminate the impact of additive errors in pressure calibration results.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.