The Unico UV-4802/UV-48025 is a large‑screen, dual‑beam UV‑Vis spectrophotometer with adjustable bandwidth, multiple test modes and advanced software.
The UV-4802/UV-48025 features a large LCD screen and a dual‑beam optical design that provides high stability and low ozone emission. It supports a variety of test modes such as fixed‑wavelength, multi‑wavelength (up to 10 wavelengths), spectral scanning, and DNA/Protein analysis, with optional bandwidths of 1.8 nm or 2 nm.
Standard accessories include the main unit, Unico advanced computer software, cuvette holders, standard quartz cuvettes, a USB interface, power and computer cables, and a dust cover. Technical specifications cover a spectral range of 190‑1100 nm, scan speeds up to 2500 nm/min, and a compact size of 625 × 405 × 280 mm. This manual is written in Chinese.
| Bandwidth | 1.8 nm (UV-4802) or 2 nm (UV-4802S) |
|---|---|
| Spectral range | 190 nm – 1100 nm, ±0.3 nm |
| Scan interval options | 0.1, 0.2, 0.5, 1, 2, 5 nm |
| Maximum scan speed | 2500 nm/min |
| Minimum sampling interval / maximum run time | 0.5 s / 9 h |
| Dimensions (W×D×H) | 625 × 405 × 280 mm |
The instrument offers a 1.8 nm bandwidth for the UV-4802 model and a 2 nm bandwidth for the UV-4802S model.
It covers 190 nm to 1100 nm with an accuracy of ±0.3 nm.
Up to 10 test wavelengths can be set.
The maximum scan speed is 2500 nm per minute.