Method and apparatus for direct radon measurement

Details Method and apparatus for direct radon measurement Method and apparatus for direct radon measurement

1975-09-04

1976-07-06

Borchelt, Archie R.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250255, 250304, 250375, G01T 702

Patent

active

039683710

ABSTRACT:
Radon is directly measured by a portable device which is attached to the l of a mine or other area from which the gas may be emanating. The radon is collected and directed to an instrument having a gas proportional counter. To prevent build up of radon daughters on the gas proportional counter, with consequent high alpha particle background, a moving film surrounds the counter and carries away the radon daughters.

REFERENCES:
patent: 3056886 (1962-10-01), Glaude et al.
patent: 3084255 (1963-04-01), Brinkerhoff et al.
patent: 3309518 (1967-03-01), Weiss
patent: 3555278 (1971-01-01), Schroeder

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