... spectrophotometer 1)Wavelength Range:190~900nm 2)Wavelength Accurancy:+/-0.25nm 3)MOQ:1PC 4 ... )Warrantu:1year A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer ... , PCR, Oven, etc.atomic absorption spectrophotometer Main SpecificationWavelength range 190-900nmWavelength accuracy ± ...