Extech Rf12: Portable Brix Refractometer (0 To 18%) With Atc

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