PoliSpectra® VS70 Dual & Quad

DUAL & QUAD CCD Mini-Spectrometer

VS7000 OEM Spectrometer with 2-4 simultaneous spectra acquisition

High Speed UV-VIS-NIR spectrometers with 2-4 fiber inputs

Available for OEM industrial applications

  • DUAL: UV-VIS (200–860 nm), VIS (380–750 nm), and UV-NIR (200–1050 nm)
  • QUAD: VIS (470-730 nm)
  • High-speed electronics (as fast as <1.5 msec readout time)
  • High throughput (f/2.3)
  • Ultra-low stray light with aberration correction holographic grating
  • Ideal for industrial low-light applications such as fluorescence, OES, absorbance, and reactance.
Segment: Scientific
Manufacturing Company: HORIBA Scientific
FeatureSpectroscopy Benefits for OEMs 2-4 channel multi-spectral instruments
Most popular UV-VIS-NIR rangeExcellent peak symmetry in a miniature grating spectrometer
High readout speedSub 1.5msec readout speed for 2-4 channels of 2048 pixels each
 DUAL-QUAD Spectra acquisition; Low noise; high linearity (raw) and linearity-correction
Back-illuminated linear CCDQE = 63% at 250 nm; 76% at 650 nm; 55% at 850 nm
High signal-to-noise ratio> 500:1 SNR and 10,000:1 Dynamic Range (uncooled CCD)
USB 2.0 high and full-speedStandard connection interfaces to PCs with 100% data integrity
Order-sorting filter & Cross-talkOSF eliminates second-order interference & sub 0.1% cross-talk (QUAD)
Windows® acquisition software & LabVIEW™ VIs and DLLs availableSoftware to integrate VS-7000 as an OEM component
Sturdy single-optic designExcellent light purity, with concave grating design
No moving parts or shutterExcellent reliability for OEM integration


Concave-grating mini-spectrometer for

  • UV-VIS (DUAL only)
  • UV-NIR (DUAL only)



  • Ideal for industrial low-light applications such as fluorescence, OES, absorbance, and reflectance
  • Multi spectra simultaneous monitoring from 2-4 fiber optic inputs


Acquisition software included (LabVIEW™)

  • VIs and top-level code are provided for customization
  • Handles acquisition and signal-processing (smoothing, absorbance, transmittance, etc.)
  • Save data to Excel® or text file
  • On-board spectral calibration
  • Option to gain access to corrected linearity (done at factory for each chip)
  • On-board or software averaging and pixel-binning


No LabVIEW™ license is needed to run our acquisition software. LabVIEW™ license ver. 2011 required to edit our code. No code customization supported in price.

The VS7000-CCD DUAL and QUAD systems for industrial OEM applications use 2-4 VS70 optical engines optimized for UV-VIS or VIS or UV-NIR Multi-spectral Systems.


Spectral coverageUV-VIS (200–860 nm), 250 nm optimized grating, built-in order-sorting filter (DUAL only)
VIS (380–750 nm), VIS-blazed grating, built-in long-pass filter (DUAL)
VIS (470-730 nm), VIS-blazed grating, built-in long-pass filter (QUAD)
UV-NIR (200–1050 nm), dual-blaze grating, built-in order-sorting filter (DUAL)
Numerical aperturef/2.3
Stray light rejection & Cross-talkStray light: 0.02 (max) for UV-VIS configuration with 300 µm tall CCD, measured at 700 nm (measured with broad bandpass 510 nm filter, 75 µm slit-width) Cross-talk: 0.1% (max)
CCD detector Typical QEBack-illuminated CCD with low etaloning in NIR 65% peak QE in UV
Detector height Fiber-optic option300 µm CCD height standard (1000 µm optional) 200-400-600 µm dia., 1.5 m long fiber-optic (for 1 mm tall CCD, prefer 600-800 µm dia.)
Thermoelectric stabilizationNone. Dark current and CCD-pattern noise must be subtracted. User must switch off light source or install manual shutter in optical path.
Spectral resolution
Pixel resolution
Slit (factory configuration)
UV-VIS: 75 µm slit, 2048 pixels, 2.7 nm resolution;
0.33 nm/pixel (configuration with 300 µm tall CCD) 
Available slits: 12-25-37-50-62-75-100-125-150-200 µm (contact us for other gratings)
CCD full well
Raw non linearity
Factory corrected linearity
2 options: 250 or 350 ke
Dynamic rangeUp to 10,000:1
A/D converter16 bit, 2-3 MHz (pixel rate)
Typical dark current50 e-/pixel/sec at 20°C (room temp.)
Typical readout noise30-35 e RMS
Readout speed(1.3) ms; 890 (760) spectra/s with 0 ms exposure time with respectively 300 µm (1000 µm) CCD height (with fast CCD option)

Specifications, form factor, and spectrometer cover subject to change without notice.

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