The JY2000 spectrometer adopts a linear CCD detector with high quantum efficiency; Programmable gain amplification and high-speed 16 bit AD conversion, with a large dynamic range. It is a cost-effective spectrometer that is easy to carry and suitable for building numerous spectral measurements, such as spectral measurement analysis, spectral reflectance detection, spectral transmittance measurement, spectral fluorescence detection, and so on. Its wavelength range is UV visible (200-850nm) or visible near-infrared (400-1100nm), and can also be customized according to individual needs.