Nevél radiofrequency switches are able to recognize any type of product, such as: liquid, grain, powder, natural oil, pasta, foam or lubricants like gasoline, diesel, oil or engines oil. Radiofrequency switches works with an electrode wich is the main receptor of any kind of signal, if there´s any loss of balance the signal change from radiofrequency to a electric signal wich is the one that activates the relay. The calibration and instalation will take place in the field where the customer needs. Three standard kind of switches: one shoot, two shoots, three shoots with local or remote electronic. The amount of shoots won´t meddle with the manufactoring.