Refractometer, Precision Hand-Held, Range 0 Percent to 10 Percent Brix, Automatic Temperature Compensation No, Accuracy +/-0.1 Percent, Resolution 0.1 Percent, Function Measuring Coolant Concentration for Machine Sumps and Printers, Features Adjustable Focus for Easy Reading, Auto Temperature Compensation, Comfort Eyepiece, Width 1 1/2 in, Height 8 in, Dia. 1 in, Includes Carrying Case with Sampler, Manufacturers Warranty Length 1 yr