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Design and performance of an immersable low-temperature pressure gauge

✍ Scribed by M. Barucci; E. Gottardi; I. Peroni; G. Ventura

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
159 KB
Volume
40
Category
Article
ISSN
0011-2275

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✦ Synopsis

A sensitive diaphragm-type pressure transducer, suitable for use at low temperature is described. This device was optimized for pressure up to 3.5 MPa. The external pressure deΒ―ects two CuBe disks, which form the electrodes of a capacitor. The transducer sensitivity at 3.43 MPa is about 25 pF/MPa. No hysteresis was detected within the accuracy of the piezoelectric pressure transducer used in the calibration procedure.

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