BTR-1000 Bluetooth digital refractometer features a measuring range of 0 to 55% Brix for detecting sugar concentration of fruits, juice, honey and beverages. Built-in ATC automatic temperature compensation eliminates reading errors caused by temperature changes, delivering stable accurate data. Low-energy Bluetooth module connects to mobile phones for real-time data transmission, batch data storage, export and record management via dedicated APP. Clear backlit digital screen shows Brix value and sample temperature simultaneously; one-key calibration ensures simple operation. Wear-resistant optical prism and lightweight drop-proof ABS body support long-time field sampling for orchards, beverage factories and food labs. Auto power-off saves battery power, compact handheld design is easy to carry. Reliable optical performance and competitive wholesale price, ideal testing instrument for agricultural and food industry suppliers.