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型號: VIS-721; VIS-722; VIS-722(N/S) 光學系(xi)統: 消色差 Czerny-Turner (1200L/mm grating) 波(bo)(bo)長(chang)范圍: 350-1020nm; 320-1020nm; 320-1020nm 波(bo)(bo)長(chang)準(zhun)確度: ±2nm; ±2nm; ±2nm 光譜帶寬(kuan): 6nm; 5nm; 4nm