GB/T 4835.2-2013

Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Part 2: High range beta and photon dose and dose rate portable instruments for emergency radiation protection purposes

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2部分：应急辐射防护用便携式高量程β和光子剂量与剂量率仪