... or more specifically, the wavelength of light. Series VIS Spectrophotometer Application: To measure the intensity as a function of the ... Analyzing, Biochemistry, Laboratories examination, Agricultural research, Petrochemistry, Environmental Protection, Quality control, Universities, Science teaching labs and so on.FEATURES:Wavelength ... :≤0.5%T(360nm)Stability:≤±0.5%T/5min VISIBLE SPECTROPHOTOMETER