... spectral bandwidth selection, 5nm, 4nm, 2nm, 1nm and 0.5nm, made according to customer's need and satisfying the requirements of pharmacopoeia4 ... scan; Dual detectorsPhotometric Accuracy: ±0.3%T(0-100%T), ±0.002A(0-0.5A), ±0.004A(0.5A-1A)Photometric Reproducibility: 0.2%TWorking Mode: T, A ...