NF EN 60846-2:2018
辐射防护仪器 用于测量和/或监测 β、X 和 γ 辐射环境和/或定向剂量当量(或剂量当量率)的仪器 第2部分:便携式仪器
Instrumentation for radiation protection - Instruments for measuring and/or monitoring ambient and/or directional dose equivalent (or dose equivalent rate) for beta, X and gamma radiation - Part 2: portable instruments. .