Vaisala K-PATENTS® Process Refractometers for the Biochemical and Pharmaceutical Industries

Vaisala K-PATENTS® PR-43-A and PR-23-A Sanitary Refractometers enable accurate in-line Brix and concentration measurements and control in in the biochemical and pharma processes. The purpose is to control the raw and in-process materials in order to achieve the right first time status of zero defects.

  • Records process data for every batch or lot via the Ethernet.
  • Ideal for the PAT (Process Analytical Technology) framework.
  • Ideal for the GMP (Good Manufacturing Practice) in the production of API’s (Active Pharmaceutical Ingredients)
  • Sanitary 3-A certified.


Vaisala K-PATENTS® Pharma Refractometer PR-43-PC
Compact refractometer and user selectable graphical user interface for hygienic installations. Optional laboratory test cuvette for off-line laboratory testing and validation.



Vaisala K-Patents® Sanitary Compact Refractometer PR-23-AC
For hygienic installations in small pipe line sizes of 2.5 inch and smaller.




To find out how You can benefit from using a K-Patents digital process refractometer, please contact us or send us a Quotation request.