... Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS ... :3864-element linear silicon CCD array Wavelength Accuracy:1nm Spectral Resolution:≤ 3 nm (FWHM at Hg 546 nm) Absorbance Precision: ... Power Consumption:5W Software Compatibility:Windows 7, Windows XP analyzer instrument