... gold K, %, specific gravity 4.Multiple weighing X-ray Precision metal tester (NAP7800) Precision metal tester ... Ru ,Cu,etc 4.0.001,X-ray ligh 0.001g X-ray light Computer Screen Spectrometer for 1%- ... test)High Pressure Template:4~50Kv X-Ray Source: Mo Material X-ray light tube( Wind Cool, No radiation) Max ... to enhance the consumption life of the X-ray tube.Warm-up and anti interference procedure is ...