Gamma radiation field intensity meter

Details Gamma radiation field intensity meter Gamma radiation field intensity meter

1994-06-10

1995-10-17

Moskowitz, Nelson

Electrical generator or motor structure

Non-dynamoelectric

Nuclear reaction

310301, 429 5, G21D 700, H01J 3926, G21H 100

Patent

active

054593662

ABSTRACT:
A gamma radiation intensity meter measures dose rate of a radiation field. The gamma radiation intensity meter includes a tritium battery emitting beta rays generating a current which is essentially constant. Dose rate is correlated to an amount of movement of an electroscope element charged by the tritium battery. Ionizing radiation decreases the voltage at the element and causes movement. A bleed resistor is coupled between the electroscope support element or electrode and the ionization chamber wall electrode.

REFERENCES:
patent: 2032545 (1936-03-01), McElrath
patent: 2789241 (1957-04-01), Frey
patent: 2837666 (1958-06-01), Linder
patent: 2980799 (1961-04-01), Bongrain et al.
patent: 3302024 (1967-01-01), Edling et al.
patent: 3786296 (1974-01-01), Howorth
patent: 4051376 (1977-09-01), Lorch et al.

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