型號描述
型號 8719 是一臺用于在工藝技術領域內調節液體流量的裝置。傳感器發送的實際值將在數字的電子調節設備中與標準信號所規定的額定值比較；存在調節偏差時，會通過一種 PI 調節算法對發送到比例閥上的調節參數進行修改。這樣一來，就可以將流量保持在一個確定的數值上，或使其遵循規定的曲線輪廓，而不會受到壓力波動或設備中其他變化的影響。一個無摩擦工作的比例閥作為調節元件，確保了高反應靈敏度和裝置良好的調節特性。
1）通過快速的流量測量實現高動態調節
2）適合計量為 600 ml/min (36 l/h) 的液體量
3）介質里無移動部件
4）可選的現場總線
Type Description
Type 8719 is an instrument for liquid flow control in process technology. The measured value provided by the sensor will be compared in the digital control electronics with the predefined set point according to the signal; if a control difference is present, the control value output to the proportional valve will be modified using a PI-control algorithm. In this way, the flow can be maintained at a fi xed value or a predefined profile can be followed, regardless of pressure changes or other disturbances in the system. As a control element, a proportional valve working at low friction guarantees the high sensitivity and good control characteristics of the unit.
1）High dynamic control through fast flow measurement
2）Applicable for liquid dosing up to 600 ml/min (36 l/h)
3）No moving parts in medium
4）Protection class IP65
5）Fieldbus optional
氣體質量流量控制器部分訂貨號如下：
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