-Technical parameters This refractometer is easy-to-use, rugged, and comes with a 1-year warranty. The straight-forward instruction manual will have you up and running without delay or frustration. The models SD032 and SD032SGwith ATC feature a broad 0-32° Brix range making them ideal for testing sugar levels or industrial fluids. ATC models are equipped with automatic temperature compensation which allows for accurate readings in fluctuating environments (like outdoors.) Multi-purpose Fruits, Vegetables and Grasses Beer and Wine Metalworking Fluids -One set included 1 manual, 1 calibration fluid, 1 screwdriver, 1 pipette