1、 Instrument Description:
Ultraviolet visible spectrophotometer is a low-cost and high-performance spectrophotometer that can adapt to the needs of modern analytical laboratories for various qualitative and quantitative analyses of substances using spectral analysis methods. The factory is widely used in departments such as medicine and health, environmental protection, water quality testing, food industry, petrochemicals, biochemistry, colleges and universities, and quality control.
Features of UV visible spectrophotometer products:
1. Adopting a 51 microcomputer system, it can store standard curves and test data.
2. The instrument has intelligent fault diagnosis function and provides power-off protection.
3. The instrument is equipped with quantitative analysis software, which is convenient for users to operate and use.
4. Provide RS232 interface, which can be connected to a computer or directly to a printer.
2、 Specification parameters:
*Wavelength drive: automatic wavelength
*Wavelength range: 190-1100nm
*Wavelength accuracy: ± 1nm
*Wavelength repeatability: 0.2nm
*Spectral bandwidth: 2nm
*Transmission accuracy: ± 0.5% T
*Transmission specific gravity repeatability: 0.2% T
*Transmission ratio range: 0.0-200% T
*Photometric range: -3-3A, 0-200% T, 0-9999C
*Stray light: 0.2% T @ 220nm/360nm
*Stability: ± 0.002A/h@ 500nm
*Display method: 128 × 64 bit lattice LCD display
*Communication method: USB interface
*Analysis software: supports
*Noise level: 0.001A/ 2min@500nm 
*Baseline straightness: 0.002A/h
*Analysis software: a set