EDX300 is the fast and no distructive Gold jewelry measure equipment  for different kinds of gold jewelry, such as Yellow gold ,white gold, red gole jewelry, it is used to measure all precious metal elements as  Au,Ag,Cu,Zn,Ni,Fe,Co,Rh,R,Pd,Pt,Ir,he feature of EDX3000 is fast, no destrutive and accurate, the measure time is only 30 seconds and you no need destrory gold jewelry samples, this is very important in gold jewelry measurement, generally EDX3000 analysis stablity is within 0.05% for different kinds gold jewelries, or gold bar, which is better than the international accurate 0.3%. EDX3000 is the sales champion and gold jewelry measurement experter,