Process Refractometers
5 generations of refractometers
Latest: Vaisala Polaris™ process refractometer product family
Light your way beyond tomorrow
Ignite the full potential of your process control with the pioneering optical inline process refractometer Vaisala Polaris. The robust instruments optimize manufacturing processes, enhance productivity, and save resources, energy, and time in various industries and hundreds of applications. .
Uplift your horizons and step into the bright new future of reliability with Vaisala Polaris process refractometers.

Success measured in a flash
Vaisala Polaris process refractometer family sheds new light on what is possible in liquid measurements. The robust instrument family provides reliable and maintenance-free liquid concentration measurements.
Watch the Polaris video
Measure concentrations of sugars/Brix, acids, alkaline solutions, alcohols, hydrocarbons, solvents, and various other solutions directly in pipelines and tanks, in production transport and perform quality control in sugar, chemical, petrochemical, and other industries.
Vaisala K-PATENTS DD-23 system includes two K-Patents SAFE-DRIVE Refractometer PR-23-SD sensors in the main black liquor line, and two Indicating transmitters and a Divert control unit in an integrated panel. Remote monitoring, and event data logging is via Ethernet.
- Industrial Heat
-
Measurement & Automation
- VEGA
- JUMO
- Optris
- KEM Flow Measurement
- Vögtlin
- Schmidt Technology
- Meister
- VAISALA
- CANTY
