Pressure Control, Inc.’s Absolute Pressure Switch products pictured in the photo are (from left to right): an SF6 (sulfur hexafluoride) pressure detection switch, a small aircraft altitude switch, and a harsh environment isolated pressure switch.
Pressure Controls Inc. (PCI) announces a new Absolute Pressure Switch product line in a variety of customizable sizes, shapes and set points.
Designed to compensate for changes in barometric pressure and environment, PCI’s Absolute Pressure Switches utilize a hermetically sealed housing with an aneroid capsule for pressure sensing. Unlike gauge pressure switches which require venting to atmospheric pressure usually in the form of a conduit or vent hole, the Absolute Pressure Switch isolates from its surroundings, creating its own interior environment. This eliminates the risk of false readings due to external or uncontrolled environmental conditions.
Switches can be configured in a variety of sensitivities (as low as 0.05 PSI) and pressure range set points (0 PSIA to 750 PSIA).