Sampling and recording dose rate meter

Details Sampling and recording dose rate meter Sampling and recording dose rate meter

1986-05-01

1988-01-26

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250376, 250377, G01T 118, H01J 4702, H01J 4706, H01J 4708

Patent

active

047218576

ABSTRACT:
A wide range radiation dose rate meter for civil defense use, including a iger-Mueller tube used in a continuous counting mode and for measuring dose rates from the natural background to about 30. rads/hr., with an ion chamber arranged to measure higher dose rates up to 10,000 rads/hr. The instrument has a sample and record capability in which the selected radiation detector will have its output connected to a selected storage capacitor for a precise interval of time determined by a timing circuit and the storage capacitor will accumulate and hold a voltage proportional to the dose rate, which can be read by means of an electrometer at a later time. The instrument has a self contained hand cranked power supply and all components are selected for long shelf life.

REFERENCES:
patent: 2445305 (1948-07-01), Hochgesang
patent: 2756348 (1956-07-01), Schneider
patent: 4281250 (1981-07-01), Kronenberg et al.
patent: 4449049 (1984-05-01), Manning
patent: 4617464 (1986-10-01), Kronenberg

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