High Dynamic Range Mini-Spectrometer
Available for US OEM customers only
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.
Clinical chemistry measurements are based on optical spectrometry for most of the blood molecules and also based on potentiometry for a few blood ions.
Do you have any questions or requests? Use this form to contact our specialists. * These fields are mandatory.
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