DIN EN 60846-1-2015 辐射防护仪器. β, X和γ辐射周围和/或定向剂量当量 (率) 仪和/或监测仪. 第1部分: 便携式工作场所和环境测量仪与监测仪 (IEC 60846-1-2009, 修订版); 德文版本EN 60846-1-2014
Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Part 1: Portable workplace and environmental meters and monitors (IEC 60846-1:2009, modified); German version