This Alcohol & Brix Refractometer is mainly use in grape wine brewing procedure to test the original grape fluids (not the finished product). This item is developed for working with sugar content in grape wine and alcohol-content by volume of the grape wine made from the fermented grapes and sugar concentration in the grapes. Thus, helping the manufacturer know the best time to manufacture or brew the grape wine. The best quality fruit produces the best quality wine. It's really easy to use and require only small amount of grape wine to measure so nothing will be wasted in your process. The refractometers working temperature is suggested at 20°C (about from 18°C to 25°C), and its unit is Vol/Vol.
This instrument conforms to the standard regulations of France (September 17, 1990) and can be used by professional and nonprofessional winemakers.