Instruments in our AvaSpec NIRLine are high-performance, near-infrared spectrometers that are optimized for the demands of measuring long wavelengths. This line provides leading-edge performance for dispersive NIR instruments with a toroidal focusing mirror and dynamic dark correction for enhanced stability.
What is NIR spectroscopy?
NIR is an acronym for Near-Infrared. It is a spectroscopic method that uses the near-infrared region of the electromagnetic spectrum between the wavelengths of 700 to 2500 nm. It is widely used for the analysis of food, agricultural, pharmaceutical/healthcare and chemical products.
How does NIR spectroscopy work?
A sample in a cup, a bag, or directly set on the integrating sphere is interrogated by NIR light. The light is transmitted, directly reflected, absorbed, and diffusely reflected. That light is collected and sent to a detector within the spectrometer. By collecting the amount of light reflected from a sample, you can predict certain concentrations or identify samples. In other words: when NIR light is interrogating samples high in chemical compounds, some energy is absorbed by the sample in the specific wavelengths. So the reflected light has less intensity in these areas. The difference between these areas can be correlated to chemical concentration differences.
NIR technology example
The NIR spectroscopy technology can be used in the food industry. A sample of food absorbs specific wavelengths based on the composition. The pattern of wavelengths that the sample absorbs can be put in a calibration model. This model uses advanced math to convert everything to a prediction such as how much proteïn, fat or moisture the sample consists of. NIR can predict multiple of these parameters in one measure. It is possible to accomplish this within a minute!
Want to know more about the different use cases of NIR technology? Go to:
NIR spectrometer of Avantes
The NIRLine is comprised of both thermoelectrically cooled and uncooled instruments. The AvaSpec-NIR256/512-1.7 features an uncooled 256 or 512 pixel InGaAs detector. All other instruments in the NIRLine have thermoelectric, peltier-cooled InGaAs detectors which support cooling down to -25°C against ambient.
The AvaSpec NIRLine instruments are fully compatible with our AvaSpec-StarLine and SensLine spectrometers. Instruments in the NIRLine are available as lab instruments or OEM modules for integration into customers’ existing systems.
Avaspec NIRLine spectrometers are available with a number of premium options such as irradiance/intensity calibration and non-linearity calibration.
Our AvaSpec NIRLine of instruments is designed to perform in a variety of applications, such as:
- Moisture content measurement of liquids, solids, and powders for in-line and quality control purposes.
- Quantitative and qualitative measurement of volatile organics such as ethanol and methanol.
- Plastic characterization and material identification.
- Irradiance measurements, such as solar monitoring.
- Qualitative measurements of feed and food.
Selected models feature the high-sensitivity/low-noise setting: an easy choice between the highest possible sensitivity and the lowest possible noise, right from AvaSoft 8.
To learn more about all the available options and find the perfect setup that matches your needs, discuss your requirements with our sales engineers. The possibilities are virtually endless!
Why choose Avantes for your application?
- Market leader in developing high-end fibre-optic spectroscopy systems
- Nearly 30 years of experience and extensive industry and application knowledge
- The best engineers who perform feasibility studies to find the right solution for your application
- A support team that never sleeps and provides second-to-none customer service