... 4.Multiple weighing NAPCO X-ray Precision Metal Detector NAP7800 Detailed Product Descriptionmetal detector 1.Display screen 2.Anti-radiation, Weight: 50Kg ... 0.001g X-ray light Computer Screen Spectrometer for 1%-99.99% NAP7800 upgrads the display screen and the circuit ,no need ... ,Pd,Rh ,Ru ,Cu,Zn ,Ni,Cd,InAnalysis Range:1%~99.99% Test point dimension:1~2mmSample Chamber Size: 0~90 mmSpectrometer ...