NMT provides uniform Cobalt-57 (Co-57) flood sources for daily/routine quality control of nuclear gamma cameras. These sources provide radiation across the entire usable field of view and maintain criteria of NEMA NU-1-2018 to determine gamma camera performance.

Each new flood source is supplied with a durable, fully shielded storage case. NMT flood sources are manufactured according to specifications in accordance with ISO 2919 / ANSI N43.6.