Features * Plane holographic grating as dispersive element * T,A,C digital direct display Main specifications *Light source Tungsten-halogen lamp (12V/35W) *Wavelength range 330-800nm *Wavelength accuracy 2nm *Spectral band <=6nm *Stray light <=1%(T) (360nm) *Transmittance range 0-100%(T) *Absorbency range 0-1.999(T) *Concentration range 0-1999(C) *Transmittance accuracy <=0.5%(T) *Power 220V?0% / 50?Hz