Contamination and irradiation measuring method and a universal s

Details Contamination and irradiation measuring method and a universal s Contamination and irradiation measuring method and a universal s

1987-01-05

1988-11-29

Wan, Gene

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250380, G01T 118

Patent

active

047884304

ABSTRACT:
A method is provided for contamination and irradiation measurement and a universal sensor for implementing said process. The individual portable sensor of the invention includes an electret a first face of which is at least partially in contact with the fluid which it is desired to monitor and electrodes disposed opposite the second face. An electronic circuit measures the field variation of the electret in the zone opposite said electrodes. An aerolic circuit ensures a constant flow of fluid over the electret.

REFERENCES:
patent: 2695363 (1954-11-01), Marvin
patent: 3448269 (1969-06-01), Dieval et al.
patent: 4207471 (1980-06-01), Coover
patent: 4401891 (1983-08-01), Lewiner et al.
patent: 4451736 (1984-05-01), Cameron

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