Sets forth the requirements for a portable instrument for the rapid measurement of the volume potential alpha energy due to the decay products of radon <(hoch)222>Rn in the air of underground mines (mainly to estimate the exposure of miners, but also for
IEC 61263:1994 history
1994IEC 61263:1994 Radiation protection instrumentation - Portable potential alpha energy meter for rapid measurements in mines
IEC 61263:1994 Radiation protection instrumentation - Portable potential alpha energy meter for rapid measurements in mines was changed to IEC 61577-3:2011 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments.