... 0.5%T/5minSELON SE-722 VISIBLE SPECTROPHOTOMETER, Wavelength setting, multi-point curve calibration Visible Spectrophotometer, portable spectrophotometer, spectrophotometerFEATURES:1,Wavelength ... .Applicable Areas: Chemistry Analyzing, Biochemistry, Laboratories examination, Agricultural research, Petrochemistry, Environmental Protection, Quality control, Universities, Science teaching labs and so on ...