The pressure difference between the chambers (92 and 90) provides a measure of the fluid flow rate over a very wide range of flow rates. < P>In a modification, the bleed orifice is pre-adjustable.Ronald B. Walters
江森楼宇自控 江森冷冻控制 温度传感器温度控制湿度传感器流量及液位控制压力传感器差压控制电动阀门平衡阀电动阀门执行器电动风阀执行器小型及现场控制器DDC控制器 M9200弹簧复位电动风阀执行器弹簧复位,直接安装 产品概述 常用型号M9208-BDC-3 供电电压24VAC
Self calibrating actuator position control system, in particular for camera shutters, iris diaphragm controls, zoom lens deployment actuators and the likeThe control system includes an actuator for effecting a range of movement of an element, a portion of the movement range being controlled by a ...