IEC 62363 pdf – Radiation protection instrumentation – Portable photon contamination meters and monitors 1 scope and object This International Standard is applicable to portable and transportable contamination metersand monitors designed for the direct measurement or the direct detection of surfacecontamination by photon radiation emitting radionuclides and which comprise at least: a detection assembly (comprising counter tube，scintillation detector or semiconductordetector，etc.),...