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4283 JN Giessen
The Netherlands

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mail info@mctec.nl

PAS Spectrometer – Polytec Full Spectrum NIR Analyzer

The Polytec PAS Spectrometer is a Full Spectrum NIR Analyzer for inline and online measurements. The systems are modular and consist of 1 NIR Spectrophotometer connected via fibre optic to multiple measuring heads. This makes it possible to measure at several places in the process with only 1 NIR Analyzer. Because it is a Full Spectrum Analyzer, several parameters (e.g. moisture, fat, protein etc.) can be measured simultaneously.

Polytec PAS spectrometers offer the ideal solution for your NIR process analysis 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 fibre-coupled components allow integration into different measurement scenarios to meet user requirements. Thanks to standardised components, there is no need to compromise on precision and user-friendliness.

PAS 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 stabilised (10 - 30 VDC) power supply are also available. They are also particularly suitable for mobile applications on harvesters, for example.

Video of the spectrometer from Polytec

Productspecifications

Highlights

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

Various scan heads, optical fibers and software modules

 

 

 

 

 

 

 

Different models

PAS 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 (PAS 1720) or in the ½ 19” housing.

PAS 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 PAS 2120 is integrated in the 19” housing, while the PAS 2121 is integrated in the ½ 19” housing.

 

Technical data

Model Wavelength range Housing Detector Resolution
PAS 1720 850 to 1650 nm 19″ 256 Pixel from < 6.4 nm
PAS 1721 850 to 1650 nm ½ 19“ 256 Pixel from < 6.4 nm
PAS 1750 850 to 1650 nm 19″ 512 Pixel from < 3.2 nm
PAS 2120 1100 to 2100 nm 19″ 256 Pixel from < 7.9 nm
PAS 2121 1100 to 2100 nm ½ 19“ 256 Pixel from < 7.9 nm

 

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