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QAD Series DPS

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QAD Series DPS

QAD series air differential pressure switch is used to sense tiny pressure change and widely used to control the flow of aerator, to monitor fan and air conditioner. It is also suitable for over heating protection and frost protection in industrial cooling system. Due to its outstanding design, the set point can be adjusted visually.

Technical Data


Product Dimensions


Installations (Electrical Wiring, Connections)


QAD series air pressure controls is factory-calibrated for vertical position. If installed horizontally, this will affffect the switching point as following:  

• with cover facing upwards, switching point is 15Pa higher than scale;   

• with cover facing downwards, switching point is 15Pa lower than scale.  


Do not install upside down with trip pressures of less than 50pa !

Ordering Guide