Radiant energy – Invisible radiant energy responsive electric signalling – Flow metering
Patent
1989-12-20
1991-07-30
Westin, Edward P.
Radiant energy
Invisible radiant energy responsive electric signalling
Flow metering
250308, G01T 1167
Patent
active
050362003
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.
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patent: 4272677 (1981-06-01), Berthold et al.
patent: 4450354 (1984-05-01), Smith, Jr. et al.
Feldstein et al., "Total Stabilization of an AlphaSpectrometry System", Health Phys., vol. 36, p. 59, (1979).
Fraser et al., "Direct Current Stability of Scent Count . . .", Nucl. Inst. & Methods 136, No. 3, Aug. 76, p. 513.
Dubail Alain
Pailhes Alain
Schulcz Francis
Electricite de France (Service National
Hanig Richard
Westin Edward P.
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