Apparatus for measuring a concentration of radioactivity

Details Apparatus for measuring a concentration of radioactivity Apparatus for measuring a concentration of radioactivity

1976-10-20

1978-08-15

Borchelt, Archie R.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

176 19R, 250370, G01T 124

Patent

active

041075331

ABSTRACT:
An apparatus for measuring concentration of radioactivity in a fluid circulating in a cooling system or a disposal system, etc. of a nuclear power plant (e.g. coolant), the apparatus having a plurality of sampling tubes with different diameters depending on the intensities of radioactivity, and the sampling tubes having valves for switching from one fluid to another fluid. The sampling tubes are connected to the system to a discharge pipe, and are disposed in the proximity of a radiation detector adapted to issue a signal representative of radiation. The issued signal is supplied to a multichannel pulse height analyzer and a data processing system providing an indication of the concentrations of radioactivities for respective radionuclides.

REFERENCES:
patent: 3200041 (1965-08-01), Ralfe et al.
patent: 3376200 (1968-04-01), Ward
patent: 3389251 (1968-06-01), Rainbault et al.
patent: 3617709 (1971-11-01), Tone

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