BRT-5900UV UV Vis Spectrophotometer is a 30 kg research-grade double-beam instrument featuring a photomultiplier tube (PMT) detector, 1600 L/mm holographic grating, 190–900 nm range, 1.0 nm bandwidth, and 0.05 nm resolution. Delivering ≤0.015%T stray light, ≤±0.001 Abs baseline flatness, and a -4.000 to 4.000 Abs dynamic range, it includes 200-dataset memory, 4 quartz/4 glass cuvettes, USB interface, and LPT printer support for high-precision analytical research.

BRT-6100UV UV Vis Spectrophotometer is a 20 kg digital double-beam instrument featuring a 5-inch (320×240) graphic LCD screen, 190–1100 nm spectral range, 1.8 nm bandwidth, and 1200 lines/mm grating. It supports standalone spectrum scanning, kinetics, DNA/protein assays, and multi-wavelength testing with 5–100 mm cuvette flexibility. Includes 8GB USB storage, 2 quartz/4 glass cuvettes, LPT printer output, and GLP-compliant PC software.