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IEC 61577-1 Ed. 2.0 b:2006
Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 1: General principles
Addresses the instruments and associated methods for measuring isotopes 220 and 222 of radon and their subsequent short-lived decay products in gases. Helps to define type tests which have to be conducted in order to qualify these instruments.
International Electrotechnical Commission [iec]