Pharmaceutical & Biotechnology

Vaisala K-PATENTS® pharma refractometers provide continuous and accurate, reliable, repeatable and reproducible Brix and concentration measurements for applications aligned with Process Analytical Technology (PAT) manufacturing methods.

Refractometer applications

Explore all refractometer applications for pharmaceutical drug manufacturing and biotechnology processes

Library of downloads and software

Here you will find product manuals, approvals and test certificates, material safety data sheets (MSDS) and software for connectivity and communications.

What is process refractometer

Vaisala K-PATENTS® Process Refractometers are used for in-line liquid concentration measurements enabling advanced and accurate process control supporting industrial automation.

Learn more about the principle, technology, and measurement behind a refractometer; refractive index.

Frequently asked questions

Here you will find answers to the most typical questions regarding the process refractometer.


Vaisala and our authorized Liquid measurements distributors offer comprehensive customer care covering the entire lifecycle of Vaisala K‑PATENTS refractometers, and provide application support. See our refractometer service offering from this page.