UV-2800A ultraviolet-visible spectrophotometer Metering mode Shan Guangdong. Spectral bandwidth 2nm Wavelength display range 190-1100nm Maximum allowable error of wavelength +0.1 (656.1 places) Wavelength repeatability ≤ 0.1 nm Wavelength display. 0.1 nm Data display 320x240 Large Screen LCD Data output USB TypeB Connect Computer and Inline USB Disk or Printer Stand-alone operating system Unico Quset single chip microcomputer system, Chinese and English interface can be switched