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VS7000-CCD-HD Specification Sheet
VS70-CCD-HD
High Dynamic Range Mini-Spectrometer
VS70-CCD-HD Miniature CCD Spectrometer
Available for US OEM customers only
High-performance fiber optic spectrometer for OEM volumes
- UV-VIS (200–860 nm), VIS (380–750 nm), and UV-NIR (200–1050 nm)
- High dynamic range (7000:1)
- High throughput (f/2.8)
- Ultra-low stray light
- Ideal for industrial low-light applications such as fluorescence, emission, absorbance, and reflectance.
| Feature | Spectroscopy Benefits for OEMs |
|---|---|
| Most popular UV-VIS range | Excellent peak symmetry in a miniature grating spectrometer |
| High readout speed | 4.5 ms maximum readout speed |
| Advanced electronics | Low noise; high linearity (raw) and linearity-correction |
| Back-illuminated linear CCD | QE = 63% at 250 nm; 76% at 650 nm; 55% at 850 nm |
| High signal-to-noise ratio | Highest full well/signal-to-noise ratio of any uncooled CCD mini-spectrometer |
| USB 2.0 high and full-speed | Standard connection interfaces to PCs with 100% data integrity |
| Order-sorting fi lter | Eliminates second-order interference |
| Windows® acquisition softwareand LabVIEW™ VIs and DLLs available | Software to integrate VS70 as an OEM component |
| Sturdy single-optic design | Excellent light purity, with concave grating design |
| No moving parts or shutter | Excellent reliability for OEM integration |
Available for US OEM customers only
This VS70-CCD-HD system for industrial applications uses a modified VS70 optical engine optimized for UV - VIS
| Spectral coverage | UV-VIS (200–860 nm), 250 nm optimized grating, built-in order-sorting filter VIS (380–750 nm), VIS-blazed grating, built-in long-pass filter UV-NIR (200–1050 nm), dual-blaze grating, built-in order-sorting filter |
| Numerical aperture | f/2.8 |
| Stray light rejection Typical (Maximum) | 0.01% (0.02%) for UV-VIS configuration with 300 µm tall CCD, measured at 700 nm (measured with broad bandpass 510 nm filter, 75 µm slit-width) >2.4 AU linear range (5% variation) with caffeine 273 nm absorption peak in 10 mm cuvette and D2 lamp. |
| CCD detector Typical QE | Back-illuminated CCD with low etaloning in NIR 65% peak QE in UV |
| Detector height Fiber-optic option | 300 µm CCD height standard (1000 µm optional) 600 µm dia., 1.5 m long fiber-optic (for 1 mm tall CCD, prefer 800–1000 µm dia.) |
| Thermoelectric stabilization | None. Dark current and CCD-pattern noise must be subtracted. User must switch off light source or install |
| Spectral resolution Pixel resolution Slit (factory configuration) | UV-VIS: 75 µm slit, 2048 pixels, 2.7 nm resolution; 0.33 nm/pixel (confi guration with 300 µm tall CCD) Available slits: 12-25-37-50-62-75-100-125-150-200 µm (contact us for other gratings) |
| Improved CCD full well Raw non linearity Factory corrected linearity | >250 ke– (sensitivity mode); >390 ke– (high FW mode) <1% (sensitivity mode) <0.4% (sensitivity mode) |
| Typical dynamic range | 7000:1 in sensitivity mode; 5500:1 in high FW mode |
| A/D converter | 16 bit, 500 kHz (pixel rate) |
| Typical dark current | 1 count/ms at 20°C (room temp.); typical offset = 1000 counts |
| Typical readout noise | 35 e– (max = 45 e–) in sensitivity mode; 70 e– (max = 90 e–) in High FW mode |
| Readout speed | Max: 4.5 ms; 223 spectra/s with 0 exposure time |
| Typical signal-to-noise ratio | 500:1 (sensitivity mode) to 625:1 (high FW mode). Shot-noise-limited conditions |
| Gain selection | 4 e–/count and 6 e–/count |
| Dimensions (H × W × D) | 2.9” × 4.1” × 4.3” (73.0 mm × 103.2 mm × 109.4 mm) |
| Weight | 1.8 lb (0.82 kg) |
*Specifi cations, form factor, and spectrometer cover subject to change without notice.
