... Testing 1.Capability: 5-300g 2..Power: 100-240V 3..Display: gram, gold K, %, specific gravity 4 ... 2.Precision:0.1%,1%-99.99% 3.Computer,USB Word Excel report 4.No radiation,Ag ... Calibrationmini computer to save report by USB Jewelry Tester Analysis Elements: Au ,Ag ,pt ... control system can protect themselvesProduct uniqueness1. XRF Version 3.0 menu mode is adopted with parameter setting, ...