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A Low-Range Extension for the AN/FDR-502 Radiacmeter.
DEFENCE RESEARCH ESTABLISHMENT OTTAWA (ONTARIO)
Pagination or Media Count:
A plug-in module and detector are described which extend the range of the ANFDR-502 Remote Reading Radiation Monitor and Alarm System from 100 mRh down to background 10 to 15 microRh. The detector, an 18504 Geiger-Mueller tube, is connected to the control console by a single-core screened cable which can be up to 500 feet in length. Author
APPROVED FOR PUBLIC RELEASE