RZ121 Alcohol Refractometer Grape Wine Sugar Content 0~25% Alcohol Concentration 0~40% Brix Teste...

This Specific Grape wine refractometer is used to measure the sugar content of the grape juice (see the Brix scale on the left) in the brewing process. Then, according to the sugar content of the grape juice, we can understand the alcohol concentration of the grape wine after brewing.
It can measure both the sugar content of the grape juice and the alcohol concentration of the grape wine.
It can not be used to test the alcohol concentration of the finished grape wine.
It is equipped with Automatic Temperature Compensation (ATC), so that the fractometer is automatically adjusted to correct temperature discrepancies of environment temperature.
Dual-scale design to measure the sugar content of the grape juice (0~40%) and the alcohol concentration of grape wine (0~25%).
Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry arround.
We provide Manual in English, Russian.
With Built-in ATC (Automatic Temperature Compensation) from 10~30 degree Celsius.
Soft Rubber eyepiece for comfortable viewing
Equipped with scale measurement which provides direct reading
Accurate testing results guaranteed
Durable and bulit to last long
Adjustable manual focusing
Use ambient light only which means battery or power source is not required