â·ÃÊͺ¶ÒÁÃÒ¤Ò Digital Refractometer is a kind of digit product based on the hand-held refractometer. The digit can be displayed and equipped with ATC. Digital Refractometer For Brix DBR85 Features: Working Temp. Range: 0°C-40°C (32-104°F) Power Supply: 1 battery (9v) Automatic Temperature Compensation Automatic Shut Off Dual temperature Compact, robust and pocket size Multi Scale versions High accuracy Specifications: Temperature measure ment range : 0°C-40°C (32°F-104°F) Model Scale Range Division Accuracy DBR85 BRIX 0~85% 0.1 +-0.2 REFRACTIVE INDEX 1.3330~1.5100 0.0001 +-0.0003 Precision of measurement temperature : ±0.5°C (1°F) Automatic temperature compensation : 5°C-40°C (41°F-104°F) Minimum sample volume : 0.3ml. Measuring response time : ≤3 seconds Power Supply : 2×AAA Batteries Battery life : ≥2000 readings Dimension : 135×65×40mm (L×W×H) Net weight : 200 grams