Historical
IEC 61577-3 Ed. 1.0 b:2002
Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments
Describes the specific requirements for testing instruments intended for measuring the activity concentration of airborne radon decay products and/or the volume potential alpha energy. Covers test procedures, radiation characteristics, electrical, mechanical, safety and environmental characteristics as well as identification certificates.
International Electrotechnical Commission [iec]