equipment, together with associated assemblies, including one or more radiation detectors heavily shielded against ambient ionizing radiation, designed to measure radionuclides in the body NOTE - Sometimes, equipment includes a gamma spectrum analyser.an assembly which measures the photon radiation (including bremsstrahlung) emitted by the whole body, and uses one or several radiation detectors heavily shielded against ambient gamma radiation
Shielding and instrumentation, usually involving more than one detector, designed to evaluate the total-body burden of various gamma-emitting nuclides. ... (05 Mar 2000) ... 
Type: Term Definitions: 1. shielding and instrumentation, usually involving more than one detector, designed to evaluate the total-body burden of various gamma-emitting nuclides.