Device for counting particles of ionizing radiation and its appl

Details Device for counting particles of ionizing radiation and its appl Device for counting particles of ionizing radiation and its appl

1987-07-08

1990-04-17

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Flow metering

250369, G01T 1167

Patent

active

049183133

ABSTRACT:
A device for counting particles of ionizing radiation comprises a detector and a reference source on the input side of the detector delivering reference radiation the spectrum of which is situated outside the spectrum of the ionizing radiation to be detected. The device further comprises an arrangement for discriminating the amplitude and energy of the received ionizing radiation and means for adjusting the relative positions of the amplitude levels on a scale of amplitude and the amplitudes of the pulses generated by the reference radiation. The device may be applied to monitoring the flowrate of leakage between primary and secondary circuits of a nuclear power plant steam generator.

REFERENCES:
patent: 3515878 (1970-06-01), Ried, Jr. et al.
patent: 4272677 (1981-06-01), Berthold et al.
patent: 4339663 (1982-07-01), Brown
patent: 4450354 (1984-05-01), Smith, Jr. et al.
Feldstein et al "Total Stabilization of an Alpha Spectrometry System" Health Phys. vol. 36, 1/79, p. 60.
Fraser et al "Direct Current Stabiliz. of Scint. Count . . . " Nuclear Instru. & Methods 136, No. 3, Aug.-76, p. 513.
Article entitled "Total Stabilization of an Alpha Spectrometry System" by J. Feldstein et al from Health Physics, vol. 36, No. 1, Jan., 1979, pp. 59-60, Pergamon Press Ltd.
Article entitled "A Microprocessor Controlled Portable Neutron Spectrometer" by G. f. Hunt et al from IEEE Transactions on Nuclear Science, vol. NS-27, No. 1, Feb. 1980, pp. 757-762.
European Patent Application No. 85308306.1 (Filtrol Corporation), published on Aug. 6, 1986 as Publication No. 0 189 645.

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