... UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, ... extremely convenient device operation and acquisition;² External USB and RS232 ports can be directly connected to PC ... ; USB disk and SD card interfaces are easy for ...