1"X1" sodium iodide detector internally mounted, sensitivity: typically 175 CPM/Micro R/HR, range selections, 0-25, 0-50, 0-250, 0-500, 0-5000, 4x.5" high digital readout, built in unimorph speaker with on/off switch, uses two "D" cell batteries, weight 4.5lbs.
NO LONGER AVAILABLE
This item is no longer available through NASCO-OP.