H3D offers the world''s highest-performance gamma-ray spectrometers and imaging spectrometers. From storage to measurement in less than two minutes, we guarantee 1.1% FWHM energy resolution at 662 keV and omnidirectional isotope-specific images, all in a portable package. The H100 and H400 series are used in nuclear plants globally, and we have products for defense, security, safeguards, and medical applications.