Volume flow and spray angle are determined from the pressure and the viscosity of the medium to be sprayed. The measurement of pressure and volume flow takes place with utmost precision with measuring instruments of the highest accuracy classes.
The spray angle is determined optically immediately after the nozzle exit. As the spray distance increases, the details of the spray width or the spray diameter are more suitable depending on the spray distance. Depending on the pressure, friction losses, among other things, influence the spray path and thus the size of the applied surface.