The VARIUS™’s adaptable and flexible design enables it to analyze a broad range of samples and measurements, giving users rapid insights into their application or research.
Image Credit: Avantes BV
Image Credit: Avantes BV
There are two distinct versions of the VARIUS™ spectrometer: standard and industrial (OEM). It offers Gigabit Ethernet and USB3 high-speed data transfer, with a choice of a 2048 or 4096-pixel detector. The OEM version is made with a strong steel housing that is electromagnetically shielded and is particularly engineered to fit seamlessly into your system or device.
Image Credit: Avantes BV
Image Credit: Avantes BV
Patented Technology
The VARIUS™ surpasses its predecessors with better optical bench design and patented technologies. Accuracy and dependability are guaranteed by the VARIUS™ across a range of applications. The AvaSoft software and crosslink solutions can be seamlessly integrated to enhance versatility.
When it comes to enhanced performance, users can swap out the slit with varying sizes. Discover the innovative magnetic connection cover system, which makes it simple to change slits and customize performance. For best results, easily adjust to different measurement conditions.
Avantes Varius Spectrometer | When Versatility Meets Precision
Video Credit: Avantes BV
High Reproducibility
Avantes’ automated manufacturing method for the VARIUS™ spectrometer facilitates high-volume production while maintaining remarkable efficiency, speed, and precision. This automation promotes repeatability as each VARIUS™ spectrometer is identical to the next. This simplified procedure allows users to produce high-quality spectrometers faster than ever before.
Product Compatibility
Avantes light sources, accessories, and AvaSoft software can all be used with the new VARIUS™ spectrometer, giving users the flexibility to tailor settings to their specific measurement requirements.
Various Key Features
Image Credit: Avantes BV
- High unit-to-unit reproducibility
- High-speed communication up to 5 Gigabit per second
- Improved temperature stability
- Great signal-to-noise, sensitivity, and speed performance
- Measurement flexibility – by changing the slit size
- Patented technology improved optical bench
Technical Data. Source: Avantes BV
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VARIUS™ 2K |
VARIUS™ 4K |
| Optical Bench |
Symmetrical Czerny-Turner design, 75 mm focal length; VRS bench |
Symmetrical Czerny-Turner design, 75 mm focal length; VRS bench |
| Wavelength range |
190 – 1100 nm |
190 – 1100 nm |
| Stray light |
0.1 – 1% (typical value 300 l/mm, blaze 300 nm < 0.3%) |
0.1 – 1% (typical value 300 l/mm, blaze 300 nm < 0.3%) |
| Detector |
HAM S11639, CMOS linear array, 2048 pixels (14×200 µm) |
HAM S13496, CMOS linear array, 4096 pixels (7×200 µm) |
| Signal / Noise |
375:1 |
365:1 |
| Dynamic Range |
4500 |
4500 |
| Dark Noise |
15 cnts |
15 cnts |
| AD converter |
16-bit, 6 MHz |
16-bit, 6 MHz |
| Integration time |
9 µs – 30 seconds |
9 µs – 30 seconds |
| Interface |
USB 3.0 high speed (5Gbps), Gigabit Ethernet (1 Gbps) |
USB 3.0 high speed (5Gbps), Gigabit Ethernet (1 Gbps) |
| Sample speed on-board averaging |
0.38 ms /scan |
0.70 ms /scan |
| Data transfer speed |
0.38 ms/scan (USB3.0), 1.0 ms (ETH) |
0.70 ms/scan (USB3.0), 1.31 ms (ETH) |
| Digital I/O |
HD-26 connector, 2 Analog in, 2 Analog out, 13 Digital bidirectional, trigger, sync., strobe, laser |
HD-26 connector, 2 Analog in, 2 Analog out, 13 Digital bidirectional, trigger, sync., strobe, laser |
| Dimensions, weight |
183 x 130 x 45,2 mm, 1068 grams |
183 x 130 x 45,2 mm, 1068 grams |
| Power supply |
Default USB3 power, 500 mA or 12 VDC, 300 mA |
Default USB3 power, 500 mA or 12 VDC, 300 mA |
| Temperature range |
5 – 55 °C |
5 – 55 °C |
Gratings. Source: Avantes BV
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Useable range (nm) |
Spectral Range |
Lines/mm |
Blaze (nm) |
Order code |
| UV/VIS/NIR |
190-1160** |
910** |
300 |
300 |
MN0300-0.30 |
| UV/VIS |
190-850 |
544-540* |
600 |
300 |
MN0600-0.30 |
| UV |
190-750 |
261-256* |
1200 |
250 |
MN1200-0.25 |
| UV |
190-650 |
168-152* |
1800 |
UV |
MN1800-0.25 |
| UV |
190-580 |
121-103* |
2400 |
UV |
MN2400-0.25 |
| UV |
190-400 |
72-57* |
3600 |
UV |
MN3600-0.25 |
| UV/NIR |
250-850 |
536-532* |
600 |
400 |
MN0600-0.40 |
| VIS/NIR |
300-1160** |
800** |
300 |
500 |
MN0300-0.50 |
| VIS |
360-1000 |
529-519* |
600 |
500 |
MN0600-0.50 |
| VIS |
300-800 |
247-216* |
1200 |
500 |
MN1200-0.50 |
| VIS |
350-750 |
147-121* |
1800 |
500 |
MN1800-0.50 |
| VIS |
350-640 |
96-89* |
2400 |
VIS |
MN2400-0.50 |
| NIR |
500-1050 |
515-506* |
600 |
750 |
MN0600-0.75 |
| NIR |
500-1050 |
210-204* |
1200 |
750 |
MN1200-0.75 |
| NIR |
600-1160 |
339-300* |
830 |
800 |
MN0830-0.80 |
| NIR |
600-1160** |
500** |
300 |
1000 |
MN0300-1.00 |
| NIR |
600-1160 |
500 |
600 |
1000 |
MN0600-1.00 |
Note: a selection of starting wavelength is possible, contact us for available configurations.
* Depends on the starting wavelength of the grating; the higher the wavelength, the bigger the dispersion and smaller the range to select
** Please note that not all pixels will be used for the useable range
Resolution. Source: Avantes BV
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| Slit size (μm) |
10 |
25 |
50 |
100 |
200 |
500 |
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VARIUS™ 2K Resolution |
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| 300 lines/mm grating |
1.0 |
1.4 |
2.25 |
4.8 |
9.2 |
21.3 |
| 600 lines/mm grating |
0.40-0.53* |
0.7 |
1.2 |
2.4 |
4.6 |
10.8 |
| 830 lines/mm grating |
0.32 |
0.48 |
0.93 |
1.7 |
3.4 |
8.5 |
| 1200 lines/mm grating |
0.20-0.28* |
0.27-0.38* |
0.52-0.66* |
1.1 |
2.3 |
5.4 |
| 1800 lines/mm grating |
0.10-0.18* |
0.20-0.29* |
0.34-0.42* |
0.8 |
1.6 |
3.6 |
| 2400 lines/mm grating |
0.09-0.13* |
0.13-0.17* |
0.26-0.34* |
0.44-0.64* |
1.1 |
2.7 |
| 3600 lines/mm grating |
0.06-0.08* |
0.10 |
0.19 |
0.4 |
0.8 |
1.8 |
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VARIUS™ 4K Resolution |
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| 300 lines/mm grating |
0.50-0.70 |
1.4 |
2.25 |
4.8 |
9.2 |
21.3 |
| 600 lines/mm grating |
0.30-0.36* |
0.7 |
1.2 |
2.4 |
4.6 |
10.8 |
| 830 lines/mm grating |
0.25 |
0.48 |
0.93 |
1.7 |
3.4 |
8.5 |
| 1200 lines/mm grating |
0.14-0.18* |
0.27-0.38* |
0.52-0.66* |
1.1 |
2.3 |
5.4 |
| 1800 lines/mm grating |
0.09-0.11* |
0.20-0.29* |
0.34-0.42* |
0.8 |
1.6 |
3.6 |
| 2400 lines/mm grating |
0.07-0.09* |
0.13-0.17* |
0.26-0.34* |
0.44-0.64* |
1.1 |
2.7 |
| 3600 lines/mm grating |
0.05-0.06* |
0.10 |
0.19 |
0.4 |
0.8 |
1.8 |
*Depends on the starting wavelength of the grating; the higher the wavelength, the bigger the dispersion and the higher the resolution.
Ordering Information. Source: Avantes BV
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| AvaSpec-VRS2048CL-EVO |
VARIUS™ fiber-optic spectrometer, 75 mm AvaBench, 2048 pixel CMOS detector 14 x 200 μm, USB powered, high-speed USB 2.0 and ETH interface, incl. AvaSoft-Basic, USB interface cable. Specify grating, wavelength range and options (A). |
| AvaSpec-VRS4096CL-EVO |
VARIUS™ fiber-optic spectrometer, 75 mm AvaBench, 4096 pixel CMOS detector 7 x 200 μm, USB powered, high-speed USB 2.0 and ETH interface, incl. AvaSoft-Basic, USB interface cable. Specify grating, wavelength range and options (A). |
| AvaSpec-VRS-OEM |
Contact one of our offices for ordering information regarding the VARIUS™ OEM |
Options. Source: Avantes BV
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| SLIT-XX-PRS |
Replaceable Slit for VARIUS™ spectrometer for non OSF configurations. Slit size, please specify XX = 10, 25, 50, 100, 200, 500 μm |
| SLIT-XX-PRSF |
Replaceable Slit for VARIUS™ spectrometer for OSF configurations. Slit size, please specify XX = 10, 25, 50, 100, 200, 500 μm |
| *SLIT-XX-P |
Fixed Slit for VARIUS™ spectrometer. Slit size, please specify XX = 10, 25, 50, 100, 200, 500 μm |
| OSC |
Order sorting coating for grating MN 0600-0.50 and MN 0600-0.40 (>350 nm)
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| OSC-UA |
Order sorting coating for grating MN 0300-0.30 / MN 0300-0.50 |
| OSC-UB |
Order sorting coating for grating MN 0600-0.30 and MN 0600-0.40 (<350 nm)
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| OSF-YYY-3 |
Order sorting filter for reduction of second-order effects, possible: YYY = 305, 395, 457, 515, 550, or 600 nm, depending on range |
| DCL |
Detector Collection Lens. To be included |
* Avantes will only select the optimal second-order suppression based on the desired configuration OEM customers.