With its versatile and flexible design, the VARIUS™ allows for analyzing a wide range of samples and measurements, allowing you to gain insights into your research or application quickly.
The VARIUS™ spectrometer is available in standard and industrial (OEM) variations. It comes with a choice of a 2048 or 4096-pixel detector and features USB3 and Gigabit Ethernet high-speed data transfer. The OEM variation has a sturdy steel housing with electromagnetic shielding, specifically designed for seamless integration into your device or system.
Patented technology
Patented technology and an improved optical bench design make the VARIUS™ outperform its predecessors. The VARIUS™ guarantees accuracy and reliability across various applications. Seamlessly integrate with our AvaSoft software and crosslink solutions for enhanced versatility.
Optimize performance by replacing the slit with different sizes. Experience the new, magnetic connector cover system, which allows easy access for slit replacement and performance customization. Adapt effortlessly to various measurement scenarios for optimal results.
High Reproducibility
Avantes’ automated manufacturing process for the VARIUS™ spectrometer, enables us to produce high volumes of these instruments with exceptional efficiency, speed, and accuracy. This automation also ensures reproducibility, making each VARIUS™ spectrometer identical to the next. With this streamlined process, we can deliver high-quality spectrometers faster than ever before.
Product Compatibility
The new VARIUS™ spectrometer is compatible with Avantes light sources, accessories, and AvaSoft software, allowing users to customize setups to match their measurement needs.
Technical Data
| 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 300l/mm, blaze 300nm < 0.3%) | 0.1 – 1% (typical value 300l/mm, blaze 300nm < 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
| Useable range (nm) | Spectral Range | Lines/mm | Blaze (nm) | Order code | |
| UV/VIS/NIR | 190-1100** | 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 | 300-1100** | 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 | 600-1100 | 339-300* | 830 | 800 | MN0830-0.80 |
| NIR | 600-1100** | 500** | 300 | 1000 | MN0300-1.00 |
| NIR | 600-1100 | 500 | 600 | 1000 | MN0600-1.00 |
Resolution
| Slit size (μm) | 10 | 25 | 50 | 100 | 200 | 500 |
| FHWM in nm | ||||||
| VARIUS™ 2K Resolution | ||||||
| 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 |
| VARIUS™ 4K Resolution | ||||||
| 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 |
Ordering Information
| 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
| 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) |
| 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) |
| 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 |
