Visiable spectrophotometer 320nm-1020nm 722

Main specifications:
Optical system: Czerny-Turner (1200L/mm grating) Wavelength range: 320nm-1020nm Wavelength accuracy: ±2nm Spectral bandwidth: 5nm Wavelength repeatability: ≤1nm Stray light: ≤0.05%(t) (at 360nm NaNO2) Photometric accuracy: 0.3%T Photometric repeatability: 0.2%T Stability: ±0.004A/h at 500nm Photometric Mode: T, A, C Operation mode: manual operation Automatically adjust 0%(τ), automatically adjust 100%(τ) and zero Light source: Halogen