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                                                  ½ÌѧÓÃUSB650Ðͺ쳱(Red Tide)¹âÆ×ÒÇ


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                                                  USB650-UV-VIS
                                                  USB650-VIS-NIR

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                                                  SPECIFICATIONS

                                                  Physical
                                                  Dimensions (in mm): 89.1 x 63.3 x 34.4
                                                  Weight: 190 g
                                                  Detector
                                                  Type: Linear silicon CCD array
                                                  Pixels: 650 enabled pixels
                                                  Pixel size: 14 um x 200 um
                                                  Pixel well depth: ~62,500
                                                  Sensitivity: 75 photons/count @ 400 nm
                                                  Optical Bench
                                                  Design: f/4, asymmetrical crossed Czerny-Turner
                                                  Focal length: 42 mm input; 68 mm output
                                                  Entrance aperture: 25 um wide slit
                                                  Fiber optic connector: SMA 905
                                                  Spectroscopic
                                                  Wavelength range:

                                                  350-1000 nm

                                                  Optical resolution:n:: ~2.0 nm FWHM
                                                  Signal-to-noise ratio: 250:1 (at full signal)
                                                  A/D resolution: 12 bit
                                                  Dark noise: 3.2 RMS counts
                                                  Dynamic range: 2 x 10^8; 1300:1 for a single acquisition
                                                  Integration time: 3 ms to 65 s (15 s typical max)
                                                  Stray light: <0.05% @ 600 nm; <0.10% @ 435 nm
                                                  Corrected linearity: >99.8%
                                                  Computer
                                                  Operating systems: Windows 98/Me/2000/XP, Mac OS X and Linux w/USB port
                                                  Operating software (required): SpectraSuite Spectroscopy Software

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