Dual compartment instrument housing

Details Dual compartment instrument housing Dual compartment instrument housing

1998-06-09

2000-05-16

Patel, Harshad

Measuring and testing

Probe or probe mounting

7320422, 73304R, G01D 2100, G01F 2300, G01F 168

Patent

active

060620951

ABSTRACT:
A dual compartment housing has a wiring compartment containing customer accessible wiring board and openings for a conduit connection. The wiring compartment is separated from an electronics compartment by a tunnel. The tunnel, which can be potted with a sealing compound, provides environmental and explosion proof protection for the electronics. An intrinsically safe barrier can be housed in the explosion proof wiring compartment, and the electronics compartment is then intrinsically safe. This relieves any constraint on separating the intrinsically safe electronics exposed to the process by an explosion proof boundary, and the process seal can be a "soft" seal. The housing is designed so that both compartments face the same direction.

REFERENCES:
patent: 4466283 (1984-08-01), Osterhout
patent: 4608763 (1986-09-01), Manns et al.
patent: 4791363 (1988-12-01), Logan
patent: 4821585 (1989-04-01), Kempe
patent: 5546804 (1996-08-01), Johnson et al.
patent: 5661251 (1997-08-01), Cummings et al.
patent: 5703289 (1997-12-01), Mulrooney
patent: 5710552 (1998-01-01), McCoy et al.
patent: 5851083 (1998-12-01), Palan

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