Description
USB-650 Red Tide spectrometers are ideal for teaching about UV and visible absorbance, reflectance and emission applications. They are preconfigured, ready-to-use spectrometers that come in several different options.
Versatile – USB650 and USB650-UV couple to fibers and other accessories
Configurations
| Item: | USB-650 | USB-650-UV | ||
| Wavelength range: | 350-1000 nm | 200-880 nm | ||
| Cuvette holder-light source: | Not included | Not included | ||
| Light source: | Not applicable | Not applicable | ||
| Couple to optical fibers: | Yes | Yes |
Specifications
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Physical Specifications |
USB-650 Red Tide Spectrometer |
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Dimensions: |
89.1 mm x 63.3 mm x 34.4 mm |
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Spectrometer weight: |
190 g |
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Detector Specifications |
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Detector: |
Linear silicon CCD array |
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Pixels: |
650 enabled pixels |
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Pixel size: |
14 µm x 200 µm |
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Pixel well depth: |
~62,500 electrons |
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Sensitivity: |
75 photons/count at 400 nm |
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Optical Bench |
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Design: |
f/4, Asymmetrical crossed Czerny-Turner |
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Focal length: |
42 mm input; 68 mm output |
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Entrance aperture: |
25 µm wide slit |
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Fiber optic connector: |
SMA 905 |
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Spectroscopic |
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Wavelength range: |
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|
USB-650 |
350-1000 nm |
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USB-650-UV |
200-880 nm |
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Optical resolution: |
~2.0 nm FWHM |
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Signal-to-noise ratio: |
250:1 (maximum signal) |
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A/D resolution: |
12 bit |
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Dark noise: |
3.2 RMS counts |
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Integration time: |
3 ms to 65 seconds (15 s typical max) |
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Dynamic range: |
8.5 x 107 (system); 1300:1 for a single acquisition |
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Stray ligth: |
<0.05% at 600 nm; 0.10% at 435 nm |
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Corrected linearity: |
>99% |
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