Producting the world's most advanced, reliable and accurate Process Control Refractometers for 20 years. Continuous measurement of concentration typically displayed as " % " , " % " Solids", "Birx", "RI" or various engineering units. Known around the world for unique innovation without compromise, sophistication while maintaining user simplicity. Serving all major industries...Pulp and Paper, Food and Beverage, Sugar, Dairy, Chemical and Petro-chemical.