Plastic Identification in Real Time
NLIR’s mid-infrared spectroscopy solution offers rapid measurement of plastics, including black plastics, for on-line identification. With millisecond precision, measure full spectra in reflection setup for real-time plastic sorting.

Simple solution to a complex need
Precision, speed, and flexibility – all in real time! NLIR's spectrometer, light source, and interface are engineered for effortless measurement of thin films, PET, PS, PP, PE and other plastics in various colors and compositions. With high precision and rapid data acquisition, our fiber-connected measurement system offers flexibility and on-line measurements for your needs.
2.0-5.0 µm Spectrometer
Offering a 2.0 – 5.0 μm bandwidth and 400 Hz readout, our MIR spectrometer is ideal for plastic sorting in real time.
TOUCH Interface
All fiber-coupled reflection setup that enables easy measurements of different plastics, including black plastic, for efficient identification and sorting.
AURALIS Light Source
Our AURALIS thermal light source fiber-coupled with light collector and the 2.0-5.0 µm Spectrometer, makes an easy bundle solution for your on-line plastic identification.
SAMPLER Accessory
Our light-collecting accessory SAMPLER fiber-coupled with AURALIS Light Source and the 2.0-5.0 µm Spectrometer, makes an easy bundle solution to identify black plastic.
How does it work?
Using NLIR’s spectrometer for plastic identification is straightforward. Just set up your devices, power our software, and get measurement data as you go.
Experience our breakthrough technology
The NLIR spectrometer measures spectra in only milliseconds. The integration time can vary from 100s of ms down to 11 µs depending on the need. The external trigger can be used to capture data at the right time in order to optimize monitoring speed.
NLIR’s spectrometers use detector arrays with 2048 pixels, so the resolution can be as low as 2.5 cm⁻¹ in a wide optical bandwidth.
NLIR’s spectrometers are so fast because they use an array detector that can read out data with 400 Hz and even up to 130 kHz.
The NLIR Spectrometers are based on a novel measurement technology that upconverts the MIR light to near-visible light. The near-visible light can then be detected by silicon-based CMOS detector arrays.
Black plastic sorting. Live
Live Monitoring
Measure in
milliseconds
High Accuracy & Precision
Sort different plastic types, accurately
high Sensitivity
Detect black plastics invisible for NIR
excellent Service
Get help from our experienced optics engineers
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