IEC 60846-1:2009
辐射防护仪器.β、X和γ射线用环境和/或定向剂量当量(率)表和/或监控器.第1部分:便携工作场所和环境表及监控器
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