The Brix Hydrometer with °C Thermometer is calibrated to show the percentage of sucrose by weight at 20°C. The scale is based on the following: 1°Brix = 1% sucrose by weight at the specified temperature (20°C) * The thermometer includes a correction scale printed opposite the temperature scale for conversion of the reading to 20°C/68°F SPECIFICATIONS: * Brix Range: 49 to 61° * Color: Clear * Length: 14.6 in (37 cm) * Material: Borosilicate Glass * Measuring Type(s): Brix, Thermometer * Quantity: 1 Each * Subdivisions: 0.1° * Thermometer Liquid Fill: SafetyBLUE * Thermometer Range: 0 to 50°C * Thermometer Subdivisions: 1°C * Warranty: 1 Year