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介绍了风量仪的测量原理及校准风量仪的流量装置的原理及测量方法,并对使用风洞装置校准风量仪的测量不确定度进行了分析,对风量仪合理使用及校准提出了建议。
The measuring principle of air flow meter and the principle and measuring method of air flow meter for calibrating air flow meter are introduced. The measurement uncertainty of air flow meter calibrated by wind tunnel device is analyzed. Some suggestions are given for proper use and calibration of air flow meter.