Specifications Range: 0 to 85% Brix 0 to 80°C / 32 to 176°F Resolution: 0.1% Brix 0.1°C / 0.1°F Accuracy: ±0.2% Brix ±0.3°C / ±0.5°F Light Source: Yellow LED Measurement Time: Approximately 1.5 seconds Minimum Sample: Volume 100 µL or 2 metrics drops (cover prism totally) Sample Cell: Stainless steel ring and flint glass prism Temperature Compensation: Automatic between 10 and 40°C / 50 to 104°F Enclosure rating: IP65 Case Material: ABS Battery Type: 1 x 9V AA (included) Battery Life: 5000 hours reading with auto-shut off after 3 minutes of non-use Dimensions Meter: 7.6 x 4. 0 x 2.64 inches (192 x 102 x 67 mm) Weight Meter: .93 lbs. (0.42 kg) Dimensions Package: 11 x 6.8 x 4.60 inches (268 x 172 x 118 mm) Weight Packaged: 1.46 lbs. (0.66 kg)