Variable Reluctance Vacuum Sensor (1Torr) for Space Station
Date Published: 1998-07-13
Paper Number:981570
DOI: 10.4271/981570
Citation:
Devit, O., McConville, K., and Kudela, M., "Variable Reluctance Vacuum Sensor (1Torr) for Space Station," SAE Technical Paper 981570, 1998, doi:10.4271/981570.
Author(s):
O. Nath Devit - AlliedSignal Aerospace Canada
Kristiina McConville - AlliedSignal Aerospace Canada
Martin J. Kudela - Tavis Corp. Pressure Transducers
Abstract:
Variable reluctance (VR) pressure sensing technology allows for a number of design features not available in many of the more common sensing techniques. Design features such as a large metallic diaphragm, relatively large diaphragm movement, magnetic sensing circuitry, high over-pressure capability, and all-welded construction (no brittle adhesives or crystals) achieve high accuracy over long term application, in very demanding environments. The VR vacuum sensor designed for the International Space Station (ISS) is a good example of where this type of sensing technique can be used where many others cannot.
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