9 Radiation detectors; electronic apparatus and electronic instruments, namely, spectrometers, radio isotope identifiers, portal monitors, whole body counters, nuclear waste assay devices, radio isotope search devices, counters, preamplifiers and amplifiers, data processors, timers, integrators, discriminators, meters, power supplies, multichannel analyzers, signal converters, and signal calibrators used for measurement of the characteristics of atomic and subatomic particles; and systems and sub-systems comprised of radiation detectors and electronic instruments, namely, spectrometers, radio isotope identifiers, portal monitors, whole body counters, nuclear waste assay devices, radio isotope search devices, counters, amplifiers, data processors, timers, integrators, discriminators, meters, power supplies, multichannel analyzers, signal converters, and signal calibrators connected to the detectors (both wired and wireless), and nuclide identification software, which detects and analyzes radiation signatures, alpha, beta, gamma-, x-ray, and neutron emissions, and software for the purposes of data analysis or data stream simulation