NIR Spectrometers for Laboratory, Industrial & Field Applications
Near infrared spectrometers Request a QuoteNIR Spectrometers
Near infrared spectrometers deliver rapid, non-destructive analysis of materials across industries including food and agriculture, pharmaceuticals, nutraceuticals, polymers, petrochemicals, chemicals, and industrial manufacturing. By measuring spectral signatures in the near-infrared region, NIR spectroscopy enables fast determination of moisture, protein, fat, oil, blend uniformity, raw material identity, and other critical quality attributes without extensive sample preparation.
StellarNet NIR spectrometers provide laboratory-quality performance in compact, rugged systems designed for research, quality control, process monitoring, OEM integration, and field applications. Available in wavelength ranges from 900–1700 nm through extended-range systems covering 200–2300 nm, our instruments support absorbance, reflectance, transmission, and diffuse reflectance measurements for both laboratory and production environments.
Whether you are developing calibration models, identifying incoming raw materials, monitoring manufacturing processes, verifying product consistency, or performing real-time quality control, StellarNet NIR spectroscopy solutions deliver reliable spectral data with flexible fiber-optic sampling configurations and powerful spectroscopy software.
Our portfolio includes portable NIR spectrometers, wide-range UV-VIS-NIR spectrometers, OEM NIR spectrometer modules, and application-specific analyzer systems designed to help organizations improve product quality, increase process efficiency, and make faster data-driven decisions.
Explore our NIR spectrometer solutions below to compare wavelength ranges, detector technologies, and application-specific configurations.
DWARF-Star 900-1700nm
Our most popular model. Extremely versatile and robust with Czerny Turner optics and our standard range InGaAs array for ranges 900-1700nm. Available with many wavelength range configurations as well has high resolution models. Works great for most applications!
NIR-HR-X
Extreme High resolution NIR spectrometers available for wavelength monitoring applications. High resolution optics provide optical spectrum analysis down to 0.2nm resolution.
RED-Wave 900-2500nm
Measure far into the NIR with an extended InGaAs array. Available for range 900-2500nm. Great for liquid absorption measurements, optical transmission, and laser wavelength characterization
STELLARCASE-NIR
Rugged and fully integrated portable Case System for material identification and composition analysis using NIR spectroscopy. The StellarCASE-NIR includes interior mounting of spectrometer instrumentation pre-configured for “Open & Measure” application, with no additional setup required.
NIR-HR
High resolution NIR spectrometers available for wavelength monitoring applications. High resolution optics provide optical spectrum analysis down to 0.4nm resolution.
ChemWiz ADK Handheld NIR Spectrometer
Rugged handheld NIR spectrometer for material identification and composition analysis using NIR spectroscopy. The ChemWiz-ADK (Analyzer Development Kit) includes onboard easy to use chemometrics for PLS model building and deployment as well as spectral ID matching functions.
Near Infrared Spectrometer Sample Application Spectra
RED-Wave XNIR3 InGaAs- Telecom Laser Diode at 1.3 um
DWARF-Star NIR InGaAs- silver film for reference surface
RED-Wave miniature NIR Spectrometer 25um slit-
Absorbance spectrum of almond extract
RED-Wave miniature NIR InGaAs 25um slit-
Absorbance spectrum of fuel injector and cleaner
RED-Wave NIR spectrometer
Low level signal detection with high dynamic range
RED-Wave-NIR InGaAs displaying a time series
increase of NIR water absoprtion bands.
Why Choose StellarNet? We Engineer Intelligence From Light!
Since 1991, StellarNet has focused on engineering-driven spectroscopy solutions designed for real-world scientific and industrial environments. Our compact spectrometers combine rugged optical performance, flexible modularity, and application expertise to support customers worldwide.
Why customers choose StellarNet:
- Engineer-owned and operated
- Compact no-moving-part optical designs
- Portable and OEM-ready architectures
- UV, VIS, NIR, and Raman wavelength coverage
- Cross-platform spectroscopy software
- Rapid customization capabilities
- Fiber optic modular flexibility
- Application-focused analytical solutions
- US-based engineering and support
NIR Demo Video: Compare NIR and Raman spectroscopy for material analysis
Frequently Asked Questions About NIR Spectroscopy
What is an NIR spectrometer used for?
NIR spectrometers are used for rapid, non-destructive analysis of materials in industries such as food processing, agriculture, pharmaceuticals, nutraceuticals, petrochemicals, plastics, and industrial manufacturing. Common applications include moisture measurement, protein analysis, fat and oil determination, raw material identification, blend uniformity testing, and process monitoring.
Can NIR spectroscopy measure moisture content?
Yes. Moisture analysis is one of the most common applications for NIR spectroscopy. NIR spectrometers can quickly measure moisture levels in powders, grains, foods, pharmaceuticals, polymers, and industrial materials without destroying the sample, making them ideal for quality control and production monitoring.
How is NIR spectroscopy used in food and agriculture?
NIR spectroscopy is widely used to analyze moisture, protein, fat, fiber, starch, and other nutritional components in grains, animal feed, pet food, dairy products, baked goods, and agricultural materials. Measurements can often be completed in seconds without laboratory sample preparation.
Can NIR spectrometers identify raw materials?
Yes. NIR spectrometers can be used for raw material verification and incoming material inspection by comparing spectral fingerprints against known reference libraries. This helps manufacturers confirm material identity and reduce the risk of production errors.
Is NIR spectroscopy used in pharmaceutical and nutraceutical manufacturing?
NIR spectroscopy is commonly used for raw material identification, blend uniformity testing, content uniformity monitoring, and process analytical technology (PAT) applications. NIR measurements can help manufacturers improve quality control while reducing testing time.
Can NIR spectroscopy be used for plastics and polymers?
Yes. NIR spectrometers are frequently used to identify polymer types, verify recycled materials, monitor production processes, and assess material consistency in plastics manufacturing and recycling operations.
What industries use NIR spectrometers?
NIR spectrometers are used across many industries, including food processing, agriculture, nutraceuticals, pharmaceuticals, cosmetics, petrochemicals, plastics, polymers, chemical manufacturing, environmental testing, and industrial process monitoring.
What wavelength range is best for NIR spectroscopy?
The optimal wavelength range depends on the application. Many routine NIR measurements are performed between 900–1700 nm, while extended-range systems covering up to 2300 nm can provide additional information for complex materials, moisture analysis, hydrocarbons, and organic compounds.
How should I cite a StellarNet spectrometer in my research?
Check out our guide on citing instrumentation in your research: https://www.stellarnet.us/how-to-cite-a-spectrometer/
Find the Right Portable NIR Spectrometer for Your Application
Whether you are performing moisture analysis, material identification, ingredient verification, quality control, or process monitoring, StellarNet offers portable NIR spectrometers engineered for laboratory, industrial, OEM, and field-based applications. Compare our NIR solutions to find the ideal wavelength range, performance, and configuration for your analytical requirements.
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Fluorescence • Color Measurement • Agriculture • Environmental • NIR
NIR Spectrometer Learning Center
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