VS7000-PDA OEM Mini-Photodiode Array Spectrometer

Available for US OEM customers only

High-performance fiber optic spectrometer for OEM volumes

  • UV-VIS (200–860 nm), VIS (380–750 nm), or UV-NIR (200–1050 nm)
  • Colossal full well (100 Me to 1 Ge )
  • Low noise (2.6 counts)
  • High UV sensitivity
  • High throughput (f/2.8)
  • Ultra-low stray light
  • Ideal for industrial bright-light applications such as emission, absorbance, reflectance



Spectroscopy Benefits for OEMs

Most popular UV-VIS range

Excellent peak symmetry in a miniature grating spectrometer

High readout speed

3.5 ms maximum readout speed

Advanced electronics

Low noise, Multi-Acq (streaming data through USB for improved speed)

PDA (Linear photodiode array)

More than 100 times deeper full well than any CCD mini-spectrometer

High signal-to-noise ratio

More than 10 times the S/N of any uncooled CCD mini-spectrometer

USB 2.0 high and full-speed

Standard connection interfaces to PCs with 100% data integrity

Order-sorting filter

Eliminates second-order interference

Windows® acquisition software
and LabVIEW™ VIs and DLLs

Software to integrate VS7000 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

Concave-grating mini-spectrometer for

  • UV-VIS
  • VIS
  • UV-NIR

Manufactured by HORIBA


This VS7000 system for industrial applications uses a modified VS70 optical engine optimized for UV-VIS and a linear photodiode array.

Available for US OEM customers only

Spectral coverage Option

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 fi lter
UV-NIR:(200–1050 nm), dual-blaze grating, built-in order-sorting filter

Numerical aperture


Stray light rejection
Typical (Maximum)

0.01% (0.02%) for UV-VIS configuration with 500
µm tall PDA, 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.

PDA detector response

High UV sensitivity. Response range from 200nm to 1000nm

Detector height
Fiber-optic option

500 µm PDA height standard (2.5 mm optional);
600 µm dia., 1.5 m long fiber-optic;
or special bundle

Thermoelectric stabilization

None. Dark current and PDA-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: 75µm slit, 1024 pixels, 2.7 nm resolution on 500 µm tall PDA;
0.33 nm/pixel (can be customized for 512 pixels)
Available slits: 12-25-37-50-62-75-100-125-150-200 µm (contact us for other gratings)

Improved PDA full well 

100 Me (1 Ge optional)

Typical dynamic range

26 000:1

A/D converter

16 bit, 500 kHz

Typical Dark current

0.16 count/ms at 20°C (room temperature); typical offset = 300 counts

Typical readout noise

2.6 counts (3900 e); maximum = 3.5 counts

Readout speed

Multi-acquisition: 3.5 ms; 285 spectra/s   Single acquisition: 10 ms; 100 spectra/s (with 0 exposure time)

Typical signal-to-noise ratio

10 000:1

Gain selection

1500 e/count

Dimensions (H × W × D)

4.6” × 4.3” × 2.9” (117 mm × 109 mm × 73.7 mm)


1.8 lb (0.82 kg)

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


 Acquisition software included (LabVIEW™ 2011 only)

  • 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

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.




VS7000 PDA

Available for US OEM customers only

Related Products

For OEM industrial applications, we offer many other detector solutions for the VS70, VS140 optical platforms and many other customized mini spectrometers:

Our spectrometers can be prototyped to your OEM specifications with the following detectors:

Front Illuminated CCDs:

ILX-511B (low cost with optional UV coating), ICX-285 (interline for imaging spectrograph) (Sony)

Back-thinned CCDs:

S10420 (low speed/low noise), S11071(new, high speed), S11155 (new with e-shutter), S7031 (TE Cooled - 1.5 to 6mm tall)...


S3901, S3902, S3903, S3904, S10111(new), S10112(new), S8377, S8378, S9227...

InGaAs linear arrays:  

SU256LSB-1.7T2-0500 (2-Stage TE cooled, 256 pixels, 0.9-1.7 mic, 500 mic tall) - Other formats and ranges on request.

Our factory will provide you with a spectrograph and a pre-aligned multichannel detector on an OEM basis. You may provide your own electronics or ask us to quote our solutions.