1.1700PC Visible Spectrophotometer 2.Wavelength range:320-1100 nm, autoscan 3.Slit width:2 nm 4.Wavelength accuracy:1nm Spectrophotometer1700PC Visible SpectrophotometerAll ... Its integrated design assures long-term stability and durability. All spectrophotometer are intended to be utilized for research, development, quality ... 5 lbs)Shipping dimensions18.5 Kg (40.5 lbs) 1700PC Visible Spectrophotometer