... ideal instrument for testing purity of precious NAP-7800 Precision Metal Tester Size and Weight: 500*500*400mm/MAX:48KgTest time ... ,Cd,In(Gold,Silver,Platinum,Palladium,Rhodium,Ruthenium,Zinc,Nickel,Cadmium,Copper,Indium.)Analysis Range: 1%~99.99%Test point dimension ... system, Temperature control system can protect themselves NAP-7800 Precision Metal Tester