淺析渦輪流量計 1 渦輪變送器的工作原理渦輪流量計由渦輪、軸承、前置放大器、顯示儀表組成。被測流體沖擊渦輪葉片，使渦輪旋轉，渦輪的轉速隨流量的變化而變化，即流量大，渦輪的轉速也大，再經磁電轉換裝置把渦輪的轉速轉換為相應頻率的電脈沖，經前置放大器放大后，送入顯示儀表進行計數和顯示，根據單位時間內的脈沖數和累計脈沖數即可求出瞬時流量和累積流量。渦輪變送器的工作原理是當流體沿著管道的軸線方向流動，并沖擊
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