High pressure, leak resistant explosionproof capacitance probe

Details High pressure, leak resistant explosionproof capacitance probe High pressure, leak resistant explosionproof capacitance probe

1993-09-17

1996-01-02

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

73304C, 340620, G01F 2326

Patent

active

054811970

ABSTRACT:
A low intrinsic capacitance probe system for measuring capacitance to detect the liquid fill level of a pressure vessel that incorporates a high pressure center rod retention system and an explosionproof flame path seal into its mounting gland. The system reduces or eliminates the cold flow of PTFE within the probe and eliminates the need for periodic retorquing.

REFERENCES:
patent: 3262032 (1966-07-01), Levine et al.
patent: 4252993 (1981-02-01), Beaman
patent: 4574328 (1986-03-01), Maier
patent: 4594892 (1986-06-01), Asmundsson
patent: 4806847 (1989-02-01), Atherton et al.
patent: 4809129 (1989-02-01), Hansen, III et al.
patent: 5187979 (1993-02-01), Edmark, III

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