DIN EN 61577-4 VDE 0493-1-10-4:2015-03
Radiation protection instrumentation – Radon and radon decay product measuring instruments
Part 4: Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR)
(IEC 61577-4:2009, modified); German version EN 61577-4:2014
Class/Status:
Standard,
valid
Released: 2015-03
VDE Art. No.: 0400125