Hanna Instruments Wine Refractometer Potential alcohol and Brix Scale

Hanna Instruments HI96813

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Link Gulf HI96813
Wine Refractometer Potential alcohol and Brix Scale
Hanna Instruments HI96813
 

Description:
  • The dual-level LCD displays measurement and temperature readings simultaneously
  • Automatic Temperature Compensation for accurate measurements
  • Easy measurement; place a few drops of the sample in the well and press the READ key
  • BEPS (Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings.
  • IP65 water protection; built to perform under harsh laboratory and field conditions.
  • Quick, accurate results, readings are displayed in approximately 1.5 seconds.
  • Single point calibration with distilled or deionized water
  • Small sample size, can be as small as 2 metric drops.
  • Automatic shut-off after three minutes of non-use
  • Stainless steel sample well, easy to clean and corrosion resistant
  • ABS thermoplastic casing

    The HI96811 Digital Wine Refractometer is rugged, lightweight and waterproof for measurements in the lab or field.

    This optical instrument employs the measurement of the refractive index to determine parameters pertinent to the wine industry.

    The actual measurement of the refractive index is simple and quick and provides the vintner a standard accepted method for sugar content analysis. Samples are measured after a simple user calibration with deionized or distilled water. Within seconds, the instrument measures the refractive index of the grape must. These digital refractometers eliminate the uncertainty associated with mechanical refractometers and are ideal for fast, reliable measurements in the field.

    The HI96813 allows the user to tailor the instrument to their specific needs based on their experience, since no fixed conversion factor is universally applicable. The first conversion is based on the %Brix value and an adjustable conversion factor between 0.50 and 0.70 (0.55 is a common value).

    Potential alcohol (% v/v) = (0.50 to 0.70) x % Brix

    One drawback of the above equation is that it does not take into account the nonfermentable sugars and extract.

    A second equation was also added that takes these factors into account and can give a more accurate estimate of the alcohol content in the finished wine. This conversion is named “C1” on the meter, and uses the following equation:

    Potential Alcohol (%v/v) = 0.059 x [(2.66 x °Oe) – 30] (C1)

Measures the refractive index and displays both % brix and potential alcohol in units of % V/V.

 

Specifications:
Sugar Content Range
0 to 50 % Brix; 0.0-25.0 % V/V Potential Alcohol
Temperature Range
0 to 80°C (32 to 176°F)
Sugar Content Resolution
±0.1 % Brix;
±0.1 % V/V Potential Alcohol
Temperature Resolution
±0.1°C (0.1°F)
Sugar Content Accuracy (@20°C)
±0.1 °Baumé;
±0.2 V/V Potential Alcohol
Temperature Accuracy (@20°C)
±0.3°C (0.5°F)
Temperature Compensation
Automatic between 10 and 40°C (50 to 104°F)
Measurement Time
Approximately 1.5 seconds
Minimum Sample Volume
100 µL (to cover prism totally)
Light Source
Yellow LED
Sample Cell
SS ring and flint glass prism
Auto-off
After 3 minutes of non-use
Enclosure Rating
IP 65
Battery Type / Battery Life
(1) 9V / Approx 5000 readings
Dimensions
192 x 102 x 67 mm (7.6 x 4 x 2.6”)
Weight
420g (14.8 oz.)
Temperature Accuracy (@20°C)
±0.3°C (0.5°F)
Temperature Compensation
Automatic between 10 and 40°C (50 to 104°F)
Measurement Time
Approximately 1.5 seconds
Minimum Sample Volume
100 µL (to cover prism totally)
Light Source
Yellow LED
Sample Cell
SS ring and flint glass prism
Auto-off
After 3 minutes of non-use
Enclosure Rating
IP 65
Battery Type / Battery Life
(1) 9V / Approx 5000 readings
Dimensions
192 x 102 x 67 mm (7.6 x 4 x 2.6”)
 


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