Period meter for reactors

Details Period meter for reactors Period meter for reactors

1974-09-27

1976-01-06

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

Neutron responsive means

176 19J, 176 19EC, 250392, G01T 300

Patent

active

039315223

ABSTRACT:
An improved log N amplifier type nuclear reactor period meter with reduced probability for noise-induced scrams is provided. With the reactor at low power levels a sampling circuit is provided to determine the reactor period by measuring the finite change in the amplitude of the log N amplifier output signal for a predetermined time period, while at high power levels, differentiation of the log N amplifier output signal provides an additional measure of the reactor period.

REFERENCES:
patent: 3038847 (1962-06-01), Hartin

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