The new and improved versions of our NIR spectrometers offer higher sensitivity, lower weight, and a smaller size. They are based on a 100mm optical bench with an NA of 0.13, offering optimum balance between resolution and sensitivity.

The 2.5-HSC-EVO series feature 256 or 512 pixel InGaAs detectors and are available in multiple configurations. These instruments are perfect for grain, corn, wheat, soya, and polymer measurements but also for medical uses, process monitoring, and other analyses. The 256-pixel detectors offer the highest level of sensitivity for most applications. For applications where resolution is key, or more data points for modelling are required, the 512-pixel detector will be the best choice.

A range of gratings are available, making it possible to tailor the instrument for optimum performance in your application. The instrument is equipped with a replaceable slit, which offers you great flexibility in your experiment.

Also available on the –HSC is the user-selectable gain setting mode: LN (low- noise, standard setting), which gives you a longer integration time and higher signal-to-noise ratio, or HS (high sensitivity) for measuring in low light conditions. Analogue and digital IO ports enable external triggering and control of shuttered and pulsed light sources from the AvaLight series. The EVO instruments use the AS7010 electronics board, offering USB3 (10 times faster than USB2), Gigabit Ethernet and better signal processing.

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Product Information

AvaSpec-NIR256-2.5-HSC-EVO AvaSpec-NIR512-2.5-HSC-EVO
Optical bench TE-cooled symmetrical Czerny-Turner,n100 mm focal length
Wavelength range 1000 – 2500 nm
Resolution (slit & grating dependent) 4.4-85.0 nm 2.6-85.0 nm
Pixel dispersion (with NIR075-1.7 grating) 6.2 nm 3.1 nm
Stray light <1.0%
Sensitivity HS in counts / µW per ms (1000-2500 nm) 990,000 t480,000
Signal/noise HS 1800:1 1900:1
Integration time HS 10 µs – 5 ms
Sensitivity LN in counts / µW per ms (1000-2500 nm) 55,000 26,600
Signal/noise LN 4000:1 3700:1
Integration time LN 10 µs – 100 ms
Detector InGaAs linear array with 2 stage TE-cooling, 256 pixels InGaAs linear array with 2 stage TE-cooling, 512 pixels
Pixel size (WxH) 50 µm x 250 µm 25 µm x 250 µm
AD converter 16 bit, 500 kHz
Interface USB 3.0 high speed, 5 GbpsnGigabit Ethernet 1 Gbps
Sample speed with on-board averaging 0.54 ms/scan
Data transfer speed 1.11 ms/scan (USB3)
Digital IO HD-26 connector, 2 Analog in, 2 Analog out, 3 Digital in, 12 Digital out, trigger, synchronization
Power supply 12 V, 40W
Temperature range 0-40°C
Cooling 45°C versus ambient
Dimensions, weight 185 x 145 x 185 mm, 3.5 kg
Use Useable range Spectral range (nm) Lines/mm Blaze (nm) Order code
NIR 1000-2500 1500 75 1700 NIR075-1.7
NIR 1350-2500 1173-1150* 100 2500 NIR100-2.5
NIR 1000-2500 800-660* 150 2000 NIR150-2.0
NIR 1000-2500 815-700* 150 2600 NIR150-2.6
NIR 1000-2500 574-530* 200 1500 NIR200-1.5

*Depends on the starting wavelength of the grating; the higher the wavelength, the bigger the dispersion and the smaller the range to select

Slit size (µm) 25* 50 100 200 500
75 lines/mm grating 8.9 12.9 16.0 33.9 84.5
100 lines/mm grating 7.2 9.5 12.0 20.0 50.0
150 lines/mm grating 4.0 5.7 7.0 12.8 32.0
200 lines/mm grating 2.6 4.4 5.2 9.3 23.3

*Only available for AvaSpec-NIR512

AvaSpec-NIR256-2.5-HSC-EVO NIR Spectrometer, 100 mm Avabench, 256 pixel InGaAs detector 2stage TEC, high-speed USB 3.0 and ETH interface, incl. AvaSoft-Basic, USB cable, specify: OSF-1000, NIR grating and wavelength range and Slit-xx-RS
AvaSpec-NIR512-2.5-HSC-EVO NIR Spectrometer, 100 mm Avabench, 512 pixel InGaAs detector 2stage TEC, high-speed USB 3.0 and ETH interface, incl. AvaSoft-Basic, USB cable, specify: OSF-1000, NIR grating and wavelength range and Slit-xx-RS
SLIT-XX-RS Slit size, please specify XX = 25, 50, 100, 200 or 500 µm