Digital Brix Refractometer Range 0-35% ±0.2% Range High Precision Fruit Meter with Automatic Temperature Compensation LCD Display IP65 Water and Dust Proof for Fruit Juice Coffee and More

Pack included: 

Digital Brix Refractometer x 1 

Instruction manual x 1

Liquid dipping test tubes x 1

The operation is simple, and the measurement result is displayed in about 3 seconds with 2 buttons.