Patent ID: 6401541
Filing Date: 2002-06-11
Classification: G01L

Abstract:
A pressure sensing system adapted for measuring a plurality of pressures, said system comprising:a plurality of pressure sensing assemblies each positioned to be exposable to a corresponding one of a plurality of discrete environments exhibiting a corresponding one of said plurality of pressures to be measured and varying in at least one degree of hostility; a microcontroller; and, at least one switching device coupled between each of said plurality of pressure sensing assemblies and said microcontroller for selectively coupling each of said plurality of pressure sensing assemblies to said microcontroller in a predetermined sequence responsively to said microcontroller, wherein each of said pressure sensing assemblies includes first and second outputs, and said at least one switching device comprises a first switching device coupled between said first output of each of said plurality of pressure sensing assemblies and said microcontroller and a second switching device coupled between said second output of each of said plurality of pressure sensing assemblies and said microcontroller.