Yes. The SAM 940+ is capable of detecting and identifying special nuclear material (SNM), including HEU and plutonium, using its high-resolution NaI(Tl) or optional CsI detector and on-board isotope library. It meets ANSI N42.34 Type C performance requirements. [Detailed application note →] https://www.berkeleynucleonics.com/march-24th-2022-identifying-nuclear-and-special-nuclear-material-sam-940