Apressureswitchisaformofswitchthatclosesanelectricalcontactwhenacertainsetfluidpressurehasbeenreachedonitsinput.Theswitchmaybedesignedtomakecontacteitheronpressureriseoronpressurefall.Pressureswitchesarewidelyusedinindustrytoautomaticallysuperviseandcontrolsystemsthatusepressurizedfluids.
Intelligent digital display pressure switch NY35 series
Mechanical Pressure Switch Sensor NY30 Series
A pressure switch for sensing fluid pressure contains a capsule, bellows, Bourdon tube, diaphragm or piston element that deforms or displaces proportionally to the applied pressure. The resulting motion is applied, either directly or through amplifying levers, to a set of switch contacts. Since pressure may be changing slowly and contacts should operate quickly, some kind of over-center mechanism such as a miniature snap-action switch is used to ensure quick operation of the contacts.