1.Visible Spectrophotometer 1600G 2.Wavelength range:320-1100nm,autoscan,Slit width:4 ... Wavelength ScanningInterval: 0.1, 0.2, 0.5, 1, 2, 5 nmAutomatically record peaks and valleys.Post-run manipulation ... .1 nmSlit width 4 nmWavelength repeatability0.5 nmMeasurement range-1.0 ~ 200.0%T, -0.5 ~ 3.000Abs, 0 ~ 9999 ... C, 0 ~ 9999 FPhotometric accuracy ±0.5 %T ...