Extech RF12 Portable Brix Refractometer with ATC, 0 to 18%

Measures the brix concentration in lubricants and cutting fluids. The Extech RF12 refractometer measures the concentration of lubricants and cutting fluids. Compact and easy to operate. Requires only 2 or 3 drops of solution and provides accurate and repeatable measurements on an easy to read scale. Prism and lens with a simple focus adjustment and Automatic Temperature Compensation from 10 to 30°C..