... technical parameters:1.Analysis elements: Na-U,Al,Si,P,S,K,Ca,Ti,V,Fe,Ni,Mn,Pb,Zn,Cu,Sn ... supply voltage: Voltage 0V-50kV; Electric current 0-2mA, high precision, no failure operation;5. Vacuum environment measurement improves light elements ... , to ensure the accuracy of test data.Advantages of product:Precision, past, nondestructive, intuitive, environmental protectionPrecision: the test results are ...