UH3900S / UH3900D Spectroscopy / Hitachi/ UH3900S / UH3900D Model: UH3900S / UH3900D Double Beam UV Visible Spectrophotometer Range : 190 – 900 nm Bandwidth : Variable Bandwidth from 0.1 nm Photometric Range: ± 3.8 / ± 5.5 Lamp Source: WI and D2 Lamps Accuracy : ± 0.1 nm Enquire Now