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% Glucose Refractometer by Mass HI96803

Producer: HANNA Instruments

SKU: HANNA-HI96803 Category: Hanna experimental measuring equipment

HI96803 is a portable food refractometer that measures the sugar content of aqueous solutions as % glucose by mass (%w/w). The HI96803 provides results with an accuracy of ±0.2%. Operation is simplified with only two buttons: one for calibration with distilled or deionized water and one for measurement. All readings are automatically compensated for temperature variations per the ICUMSA Methods Book and displayed within a 1.5 second response time. The sealed flint glass prism and stainless steel construction are easy to clean. Simply wipe with a soft cloth in preparation for the next sample.

Small sample size requires only 2 drops (100 μl)

Stainless steel ring with premium optical prism made of flint glass

Fast response time of 1.5 seconds for temperature compensated values

The HI96803 is a portable refractometer that converts the refractive index of a food sample to % glucose by mass. This conversion is based on the ICUMSA Methods Book (International Commission for Uniform Methods of Sugar Analysis) for changes in refractive index with temperature in percent by weight glucose solutions. The HI96803 is ideal for the analysis of fruits, energy drinks, puddings, soy milk, juices, jams, marmalades, honey, jellies, soups, tofu and condiments. The HI96803 is easy to use for measuring sugar in food samples or in the laboratory.

Designed for food sugar analysis
Temperature compensation algorithm based on glucose solution
0 to 85% Brix scale with ± 0.2% accuracy

To make a standard % glucose solution:

To make a glucose solution, follow the steps below:

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 glucose (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 above 20% 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.

Sample 25% glucose:

glucose (g)	Water (g)	Total (g)
25.000	75.000	100.000

Refractive Index

The HI96803 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 HI96803 uses an LED light, prism, and lens to make measurement possible.

Temperature variations will affect the accuracy of refractometry results, so temperature compensation is necessary to produce reliable results. The HI96803 incorporates a built-in temperature sensor and is programmed with industry-standard algorithms that then apply temperature compensation to measurements according to ICUMSA standards for a percent by weight glucose solution.

Outstanding 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

Waterproof ABS plastic housing makes it easy to perform measurements in laboratories and many other fields.

Specifications

The scale	0 to 85% mass (% w/w glucose) 0 to 80°C (32 to 176°F)
Resolution	0.1% mass 0.1°C (0.1°F)
Accuracy	±0.2% mass ±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 (7.6 x 4.01 x 2.6”)
Mass	420 g (14.8 oz.)
Guarantee	12 months
Supply includes	HI96803 is supplied with batteries and instructions.