Electronic Analyzer *300g/0.01g Density densimeter *Kara's range:7K-24K gold tester *Easy Operate,Portable *Test Au,Ag,Pt 300g/ ... 0.01g Portable Electronic AnalyzerMODELMH-300KMaximum weighing300gMeasurable range5-300gWeighing ... , Acadapter, Opration manualManufactureNapco Precision Instrument Ltd 300g/0.01g Portable Electronic Analyzer