"Labotronics Double Beam UV-Visible Spectrophotometer performs spectral measurements from 190–1100 nm with ±0.3 nm wavelength accuracy. UV-Vis Spectral Analyzer provides automatic spectrum scanning, selectable bandwidths, and fast, medium, or slow scanning speeds for varied analytical procedures. Manufactured for environmental monitoring, petrochemical, and research laboratories, it supports derivative spectra, curve fitting, and spectrum storage through its touchscreen interface."