This gram scale supports multi unit switching for specie weighing , and combines multi factor verification such as acoustic resonance and magnetic composition detection . It is perfect for collectors and suitable for weighing and authentication in different scenarios This gram scale can connect to mainstream systems and apps : for Precious Specie Tester and for Bullion Test . It supports advanced analysis and automated report generation , making it easy to save authentication documents and meeting professional use requirements It combines professional weighing accuracy of 0.01g (max 500g) with lab grade specie authentication capabilities . It can accurately weigh valuable items like gold , silver and diamonds , and verify specie from 1/10 to 10 ounces through resonance frequency analysis , meeting the needs of valuables measurement and authentication One key unit switching , simple calibration and automatic shutdown make manipulation easy . Pair it with the specie stand to resonance analysis and magnetic clip detection . No professional knowledge is required , ensuring efficient manipulation The stainless steel weighing platform and protective flip cover enhance durability . It comes with a protective case and a pocket sized design for easy carrying , satisfying frequent daily use and outdoor specie verification needs, Manufacturer: Jnchdghwa