不同物理原理的電子式或機械式流量監(jiān)控有各具優(yōu)勢的測量方式。如根據熱傳導原理，介質的流速不同，則產生的熱量不同。

　　在線傳感器根據已知管道的橫截面來確定流量——首先檢測流速，然后根據流速計算流量。圖爾克FTCI系列流量傳感器可顯示當前流量，性能穩(wěn)定，但不同的介質導熱系數不同，它通常僅適用于水或加入乙二醇的混合液。

　　依據克利奧利原理進行液體和氣體流量檢測的質量流量計價格昂貴。當介質流過彎管處時，質量流量計使其產生振蕩，并測量由此產生的克利奧利力。質量流量計的優(yōu)點是測量精度高，動態(tài)測量范圍，低壓力損失，同時適用于氣體和液體。

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