Niton AuDITOR is a simple payback calculator that determines the time to recover an investment in a Thermo Scientific Niton XRF Analzyer. AuDITOR is intended for use by pawnshops, jewelry retailers and gold refiners or recyclers -- anyone handling precious metals. Simply enter a few specifics about daily gold transactions, and AuDITOR will do the rest, returning a payback period in terms of months and years.