UV-VIS SPECTROPHOTOMETER

UV-VIS SPECTROPHOTOMETER Model No.: N4S (scanning) N4 N2S (scanning) N2 Optical system 1200 lines/mm holographic grating, C-T monochromator 　　WL range 200-1000nm 325-1000nm WL accuracy ±1nm WL repeatability ≤0.5nm Spectrum bandwidth ±0.5%(T)(NBS930D) Stray light 0.1%(T)(220nm, NaI ; 360nm, NaNO2) 0.1%(T)( 360nm, NaNO2) Transmittance repeatability ≤0.2%(T) Transmittance measuring range 0.0%-200.0%(T) Absorbance measuring range ‘-0.301~4.000(A) Concentration range 0.000~9999(C)