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Refractometer for Measuring Sugar (%Brix) in Wine, Brewed Samples and Juices HI96811

Producer: HANNA Instruments

SKU: HANNA-HI96811 Category: Hanna experimental measuring equipment

Measures the sweetness of wine and juice from 0 to 50% Brix

Small sample size, about 2 drops of solution (0.1 mL)

Simple and easy calibration with just 1 key

Fast, accurate measurement in 1.5 seconds

SUGAR IN WINE

wineanalysis-3

The HI96811 Digital Wine Refractometer converts the refractive index of wine, juice, or grape mash samples to % Brix. This conversion is based on tables found in the ICUMSA (International Commission on Uniform Methods of Analysis for Sugars) Methods Book which record the changes in refractive index with temperature of the sucrose solution as a percentage by weight. Since the majority of the sugar in grape juice must be fructose and glucose rather than sucrose, the reading is sometimes referred to as “visible Brix”. Grapes at harvest will typically range from 19-24% Brix or degrees Brix (°Bx). The HI96811 is an easy-to-use tool for winemakers to measure sugar in grapes or mash samples, either in the field or in the laboratory.

 + Designed to determine sweetness in wine

 + Automatic temperature compensation

 + Range from 0 to 50% Brix with accuracy ± 0.2%

HOW TO MAKE STANDARD SUCROSE SOLUTION

– Place the container (such as a glass jar or dropper bottle with a cap) on an analytical balance.

– Tare

– Weigh X grams of high purity sucrose (CAS #: 57-50-1) directly into the container.

– Add distilled or deionized water to the container so that the total weight of the solution is 100g.

- Note: The solution on 65% needs to be stirred or shaken vigorously and the water heated to about 40^oC. Remove the solution from the tank when the glucose has completely dissolved and allow to cool before use.

REFRGUSTING INDEX

The HI96811 allows for measurements based on a sample’s refractive index. Refractive index is a measure of how light behaves as it passes through a sample. Depending on the composition of the sample, light will refract and reflect differently. By measuring this with a linear image sensor, the sample’s refractive index can be assessed and used to determine its physical properties such as concentration and density. In addition to the linear image sensor, the HI96811 uses an LED light, prism, and lens to make measurement possible.

Fluctuations in temperature will affect the accuracy of the refractive index, so the use of temperature compensation is highly recommended for reliable results. The HI96811 contains a built-in temperature sensor and is programmed with temperature compensation algorithms per ICUMSA Methods Book Standards for one percent sucrose solutions.

SALIENT FEATURES

1 point calibration

Calibrate with distilled or deionized water

Small sample size

Sample requires only about 2 drops (100 μl)

Automatic Temperature Compensation (ATC)

Sample automatic temperature compensation

Provides fast and accurate results

Results displayed after about 1.5 seconds

Multi-level LCD display

LCD display shows measurement value and temperature at the same time

Stainless steel sample chamber

Easy to clean and corrosion resistant

Battery indicator

Remaining battery level will be displayed when power on and low battery warning

Automatically turns off

The machine will automatically turn off after 3 minutes of non-use.

Waterproof IP65

ABS plastic shell prevents dust and moisture

SPECIFICATIONS

The scale	0 to 50% Brix 0 to 80°C (32 to 176°F)
Resolution	0.1% Brix 0.1°C (0.1°F)
Accuracy	±0.2% Brix ±0.3 °C (±0.5 °F)
Temperature compensation	automatic from 10 to 40°C (50 to 104°F)
Measurement time	about 1.5 seconds
Minimum sample size	100 μL
Light source	Yellow LED
Sample compartment	Stainless steel ring and glass prism
Automatically turns off	after 3 minutes of non-use
Bark	IP65
The battery	9V / about 5000 measurements
Size	192 x 102 x 67 mm
Mass	420 g
Guarantee	12 months
Supply includes	– HI96811 meter - The battery - User manual – Machine quality certificate - Warranty – Machine box.