Radon detector

Details Radon detector Radon detector

1986-09-09

1989-09-19

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

250381, 2503851, 73 23, 324469, G08B 2100

Patent

active

048685461

ABSTRACT:
A portable electronic instrument for detecting radon gas is provided by this invention. The presence of radon gas may be reliably and quantitatively measured with simple and inexpensive immediately operable in-situ detection means. Two detectors comparatively operated with respective filtered and thus uncontaminated air and inside dwelling air to be tested provide a monitoring process that can respond immediately to radon gas.

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patent: 4443791 (1984-04-01), Risgin et al.
patent: 4534775 (1985-08-01), Frazier
patent: 4644333 (1987-02-01), Barendsz et al.

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