Capacitive sensor including a coaxial cable and a probe

Details Capacitive sensor including a coaxial cable and a probe Capacitive sensor including a coaxial cable and a probe

1997-06-25

1999-10-26

Do, Diep

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324662, 324671, G01R 2726

Patent

active

059735023

ABSTRACT:
A composite capacitive sensor device for use at least up to 1300.degree. C. and 40 bar, including a coaxial cable comprising a conductive sleeve (10) and an inner conductor (21), which are separated by a first insulator (19), and a probe (1) comprising elements which are all refractory and anticorrosive, which are respectively connected to the end portions of said cable and which comprise a metal housing (2) and an electrode (4) having a flat surface (4a) of larger area than the cross-sectional area of the inner conductor, which elements are separated by a second insulator (9) associated with locking means (3, 16) and are secured by means which are all refractory and anticorrosive (11a-11e).

REFERENCES:
patent: 4063167 (1977-12-01), Duty
patent: 4329644 (1982-05-01), Libertini et al.
patent: 4804905 (1989-02-01), Ding et al.
patent: 4818948 (1989-04-01), Dooley
patent: 5101165 (1992-03-01), Rickards
patent: 5166626 (1992-11-01), Hester et al.
patent: 5497101 (1996-03-01), Fillion

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