Hanna offers five wine refractometers to meet the various requirements throughout the wine industry. The HI96811, HI96812, HI96813, HI96814 and HI96816 Digital Wine Refractometers are rugged, lightweight and waterproof for measurements in the lab or field.
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HI96811, HI96813 and HI96814 convert the refractive index of the sample to sucrose concentration in units of percent by weight, % Brix (also referred to as °Brix). The conversion used is based on the ICUMSA Methods Book (International Commission for
Uniform Methods of Sugar Analysis). Since the majority of sugar in grape juice is fructose and glucose and not sucrose, the reading is sometimes referred to as “Apparent Brix”.
The HI 96816 potential alcohol curve is based on the tables found in the European Economic Community Commission Regulation No 2676/90 of September 17, 1990, Determining Community Methods for the Analysis of Wine and International Organization of Vine and Wine (OIV). The potential alcohol curve is based on the following equation:
Potential alcohol (%v/v) = g/L of Sugar / 16.83
4.9 to 56.8% V/V
(10 to 75% Brix)*
0 to 80°C (32 to 176°F)
±0.3 °C (±0.5 °F)
automatic between 10 and 40°C (50 to 104°F)
Minimum Sample Volume
100 μL (to cover prism totally)
stainless steel ring and flint glass prism
approximately 1.5 seconds
9V / approximately 5000 readings
after three minutes of inactivity
Refractometer Light Source
192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)
420 g (14.8 oz.)
HI96816 is supplied with battery and instruction manual