1,the control system used is able to adjust the window displacement sensors this is to ensure the reliability of the operation
2,high-precision potentiometer with a 0.7mm steel wire, steel wire directly connected to the damper or the  counterweight
3,adjust the door switch, the change in the resistance of the potentiometer, fume hood controller soon adjust to a 0 ~ 10VDC door opening signal
4,stroke range 0-1250mm, suitable for general fume hood adjustment window
5,the hub material: insulation particles coated anodized aluminum
6,measurement accuracy:
7,repeatability: 0.12mm
8,Installation: mounting bracket or threaded mounting