1.Monochromator
  - Diffraction grating single monochromator
    Seya-Namioka mount
2.Wavelength range 
  - 190 to 900nm
3.Stary light

  - 0.015%
4.Spectral bandpass
  - 0.1, 0.5, 1, 2, 4, 5nm (6steps)
5.Wavelength accuracy
  - ±0.1nm(at 656.1nm after wavelength cal.)
6.Phtometric range 
  - Abs: -3.8 to 3.8Abs 
  - %T: 0 to 300%T
7.Baseline flatness
  - within ±0.0003Abs(190 to 850nm)
8.Wavelength scan speed
  - 1.5, 3, 15, 30 ,60, 120, 300, 600, 1200, 1800, 2400nm/min