Detector module for gas monitor

Details Detector module for gas monitor Detector module for gas monitor

1977-07-25

1979-05-29

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250379, G01T 118

Patent

active

041568133

ABSTRACT:
A detector module for use in a gas monitor assembly to measure changes in electron flow resulting from absorption of electrons in an electron capture gas includes an internal housing for containing a radioactive source and electrodes suitably spaced apart to permit gas flow therepast. The internal housing along with couplings for interconnection with a gas flow source, a gas receiver and suitable electronic receiver means are disposed within a detector housing having integrally attachable closure means, the detector housing and closure means providing shielding for the radioactive source while being adapted in combination to prevent operating access to the couplings in order to prevent accidental or undesired exposure of the internal housing and radioactive source.

REFERENCES:
patent: 2551531 (1951-05-01), Freedman
patent: 3104320 (1963-09-01), Speakman et al.
patent: 3277296 (1966-10-01), Dimick et al.
patent: 3828184 (1974-08-01), Lupton

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