For determining the percentage by weight of sucrose. Choose plain form or thermo-hydrometers. Thermo-hydrometers feature a mercury thermometer in the body with range 0 to 40°C. Temperature of standardization is 20°C. Specifications Brix Range 0 to 12 ° Division 0.1 ° Length 325 mm Length 12.75 inches Thermometer Range 0 to 40 °C Temperature Standard 20°C