qvm62.1This sensor is used to control the air velocity to a constant value, balance out pressure fluctuations (supply/extract air control) or to monitor the flow in air ducts.

It is primarily used for modulating fan control in primary plants to set the basic volume flow.

 

QVM62.1 duct sensor, velocity, 24Vac, 0..10Vdc output, IP42 Download Datasheet