This pressure switch is mainly used in ventilation and conditioning systems to control the flow in the ducts, as well as in filters, ailerons and fans.<br> They are suitable for and other non-flammable and non-aggressive gases.This switch is capable of feeling a small change of pressure and widely used to control aerator flow, to monitor and fan and conditioning.<br> It is also suitable for protection against overheating and frost protection in the industrial refrigeration system.<br> Due to its exceptional design, the set point can be adjusted visuallyPressure connection: 62mm Internal thread tube or G1 / 8 (optional if the hole)Electrical connection: screw terminals AMP63mm connector; AMP48mm connectorOperating temperature: -30Celsius 85Celsius (overpressure 5000 Pa)p Installation is quick and easy, both vertical and horizontalp extremely high adjustment accuracyp long life and stable operationSuitable for medium: , non-corrosive gas.Range: 20-200PaAccuracy : Repeatability Service life : > 106 switching cyclescolour:GrayMaterial:plasticsize:81*53mmPackage Contents:1*- differential pressure switchOnly the above package content, other products are not included.Note:<br> Light and different displays may cause the color of the item in the picture a little different from the real thing.<br> The measurement allowed error is +/- 1-3cm.