Metrohm AG

- Model PRO - NIRS Process Analyzer System



The NIRS Analyzer Pro is a process analysis system employing high-resolution diode array technology. It provides nondestructive analysis of granules, powders, slurries, or opalescent substances directly in the process line without bypass – a true inline system.

The NIRS Analyzer PRO is a system for the nondestructive, direct analysis of granules, powders, liquids, slurries, or opalescent substances.

This instrument can be used to analyze a variety of substances in pharmaceutical, chemical, and petrochemical products. As this analyzer comes with dedicated interfaces, both noncontact and contact analyses are possible.

  • High-resolution diode array technology for accurate and continuous analysis 
  • The entire wavelength range is measured instantaneously. 
  • No moving parts in the optical detection unit in IP69K enclosure 
  • Software compliant with various regulations and FDA 21CFR Part 11 
  • No use of chemicals for environmentally friendly and cost-saving analyses


Liquids, solids, slurries, etc. can be measured in reflectance or transmission by means of contact probes.

A noncontact measurement option is available for NIR analysis above a conveyor belt or panel or through a glass window.


Built-in diagnostics and factory standardization ensure proper equipment performance and allow transferability of methods to other analyzers.

Thus, if you would like to take measurements at several points, you can easily do so – without much work or additional investments.


The NIRS Analyzer PRO is equipped with a dual lamp system to guarantee high uptimes.

Lamp switching is done automatically without requiring any user action. This ensures reliable operation. The NIRS Analyzer is a maintenance-free system offering low cost of ownership and rugged and compact equipment.


With the NIRS Analyzer PRO, you can implement Process Analytical Technology procedures in accordance with FDA regulations.

The main advantage is that you will obtain process analysis results in real time instead of carrying out time-consuming laboratory analysis.


The NIRS Analyzer PRO is operated with Vision software.

This proprietary, easy-to-use software can be used for comprehensive data collection, qualitative and quantitative method development, and diagnostics. Various protocols for process control are available: 4 to 20 mA, OPC, Modbus, and Profibus.

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