FIELD: measurement technology. SUBSTANCE: unit has aerial 1, input signal modulator 2 and signal detector 3, amplifier 4, filter 5, keys 6 and 7, indicator 8.1, sonic frequency oscillator 8.2, light indication starting oscillator 8.3, decoder 9, clock pulse oscillator 10, threshold signal unit 11, inverter 12. Signals may be detected with low possibility of false alarms, and distance to radiation source may be evaluated. EFFECT: improved precision. 1 dwg
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Authors
Dates
1995-08-20—Published
1992-09-29—Filed