NIR Spectrometers
Modular concept for reliable process monitoring
Process Analytics

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Technology
- Process Analytics
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Products
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Process Spectrometers
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NIR Spectrometers
Modular concept for reliable process monitoring
Polytec PSS spectrometers provide the ideal solution to your NIR process analytics problems. Diode array detector technology combined with a transmission grating design means the devices can be used for fast and reliable data acquisition. Flexible combinations with fiber-coupled components allow for integration in various measurement scenarios to suit the user’s requirements. Thanks to standardized components, no compromises need to be made with regard to precision and user-friendliness.
PSS spectrometers are available in a 19” plug-in housing with a 110 – 240 VAC power supply for installation in industrial cabinets. Small ½ 19” controllers with an actively stabilized (10 – 30 VDC) power supply are also available. They are particularly suitable for mobile applications on harvesters, for example.
PSS 1720/1721 and 1750
The compact diode array spectrometers (256 or 512 pixels) are equipped with TE cooling and cover a wavelength range of 850 nm to 1650 nm. They are either available in the 19” housing (PSS 1720) or in the ½ 19” housing.
PSS 2120/2121
These diode array spectrometers (256 pixels) also have TE cooling and can be used in a wavelength range of 1100 nm to 2100 nm. The PSS 2120 is integrated in the 19” housing, while the PSS 2121 is integrated in the ½ 19” housing.
PSS 2220
This spectrometer is also equipped with a diode array detector (256 pixels) with TE cooling and is suitable for a wavelength range of 1200 nm to 2200 nm. The PSS 2220 is supplied in the 19” housing.
- Innovative transmission grating design
- High measurement rates due to very short measuring times
- Superior sensitivity and long-term stability
- Uniformly high optical resolution across the entire spectral range
- Extremely low scattered light levels
- SMA 905 fiber-optic connector
- Ethernet interface
PSS 1720:
- Wavelength range 850 nm to 1650 nm
- 19“ housing
- Detector: 256 Pixel
- Resolution from < 6.4 nm
PSS 1721:
- Wavelength range 850 nm to 1650 nm
- ½ 19“ housing
- Detector: 256 Pixel
- Resolution from < 6.4 nm
PSS 1750:
- Wavelength range 850 nm to 1650 nm
- 19“ housing
- Detector: 512 Pixel
- Resolution from < 3.2 nm
PSS 2120:
- Wavelength range 1100 nm to 2100 nm
- 19“ housing
- Detector: 256 Pixel
- Resolution from < 7.9 nm
PSS 2121:
- Wavelength range 1100 nm to 2100 nm
- ½ 19“ housing
- Detector: 256 Pixel
- Resolution from < 7.9 nm
PSS 2220:
- Wavelength range 1200 nm to 2200 nm
- 19“ housing
- Detector: 256 Pixel
- Resolution from < 7.9 nm
- Various scan heads
- Optical fibers
- Software modules