​• Wavelength range: 380-1050 nm
​• Optical Resolution: 0.6 nm
​• 3648 pixels Toshiba CCD array detector
​• 600 grooves/mm grating blazed at 750 nm
​• Order Sorting Filters Included
​• Software LightScan included

Covering the entire visible and most of the NIR range with high resolution, the SPEC RES+ Vis/NIR is configured with a 600 grooves/mm blazed at 750 nm grating, 10 µm slit, Toshiba 3648 pixels CCD array, collecting lens, longpass filter and SMA 905 optical fiber connector. 

There are a wide range of applications on Spectroscopy using Visible and NIR light where we can mention transition metals due to their ability to complex with organic and inorganic molecules which absorb in the visible region and can be qualified and quantified by this technique, and in the analytical third overtone region (700-1050 nm) where are normally found absorbance bands related to ROH, H2O, CH, CH2, CH3, ArCH, ArOH, RNH2.

The measurement techniques applied to this instrument are high resolution Absorbance, Transmission, Irradiance, Reflectance and color measurement. The application areas are Chemistry, Physics, Biology, Materials, etc.

The spectrum on the right shows the full spectra of a Mercury/Argon light source and on the left shows the Argon doublet 840.821 and 842.465 nm completely resolved. 

Wavelength range 380 - 1050 nm
Slit 10 µm
Grating 600 lines @ 750 nm
Resolution 0.6 nm
Detector 3648 pixels CCD array Toshiba
Pixel width x Height 8 x 200 µm
Optical design Symmetrical Czerny-Turner
Order sorting filters Included
Longpass filters -
Focal length 50 mm
Dark noise (RMS) 32
Dynamic range 2048
Signal/Noise 350
Linearity 99.94 %
Integration time 3 ms - 214 s
QE (%) @ peak 40%
Peak wavelength 550 nm
Pixel well depth 120000
A/D Converter 16 bits
Interface Mini USB 2.0
Trigger In/Out
Trigger delay In
Fiber connector SMA 905
Weight 650 g
Dimensions 116 (L) x 93 (D) x 55 (H) mm
Collecting Lens Included


The image below shows the spectra of a Light Source (LS-DW) from Sarspec, obtained with all four configurations from the SPEC RES+ family.


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