Alcohol determination made simple

Until now, the determination of alcohol in wine required wine makers to invest in expensive gas chromatography or HPLC equipment, or to use alternate methods such as ebulliometry or hydrometry which are time consuming and can be extremely laborious.

HANNA’s new HI 83540 alcohol determination analyzer uses a patent pending conductimetric known addition procedure that allows wine makers to accurately determine alcohol concentration in minutes. The basis for this invention is that the change of electric conductivity (EC) of a wine after the addition depends on the amount of alcohol.

The complex software of the instrument performs all the necessary calculations and adjustments, providing the user with a direct readout of alcohol in % volume on the graphic LCD.

Significance of Use

The alcohol content is a critical parameter in the analysis of wine, representing the first and most important criteria for classifying the wine into taxable classes.

From a qualitative point of view, alcohol concentration has an important role in the conservation of a wine over time.

From a sensory point of view, alcohol content influences the power, warmth and sweetness of a wine. Lower alcoholic concentrations tend to taste sweeter.

The alcohol content is also used to classify wines for taxation: Regional governments’ regulations use alcohol % as a criteria to classify the wine as table wine or alcoholic beverage.

The HI 83540 meter measures the alcohol content in wine simply and accurately, displaying the results directly in % v/v units.

Measurement of Alcohol in Wine with the HI 83540

The alcohol determination is made using a new, state of the art method. The wine sample is measured before and after the HANNA reagent is added. The difference between measurements is used to calculate the alcohol content.

In addition to the HI 83540’s logging, storage and recall features, readings can be transferred to a PC for further analysis and storage via USB.

Eliminating Sugar Content Interference

Wine samples are measured without a preliminary treatment. However, the sugar content of the wine may interfere with readings.

In order to eliminate the sugar content interference, the meter has a built-in algorithm for sugar content compensation. There are three types of sugar content compensation: Fixed Sugar Compensation (the same compensation for all wine types); Type Sugar Compensation (depending on the selected wine type) and Sugar Content Compensation (compensation made when the sugar content of a wine is known). Users can configure their desired Sugar Compensation in the SETUP menu and the alcohol content measurement will be made using the selected sugar content compensation algorithm.

De technische specificaties van dit product:

Dimensions		208 x 214 x 163 mm (8.2 x 8.4 x 6.4") (with beaker)
Electrode		HI 76315 Alcohol probe
Environment		0 to 50 °C (32 to 122 °F); max 95% RH non-condensing
Power supply		12 Vdc adapter (included)
Range		0.0 to 25.0 %v/v
Resolution		0.1 %v/v
Sample volume		50 mL
Stirring speed		1500 rpm
Temperature Compensation		5-35 °C (41 to 95 °F)
Weight		2200 g (77.6 oz.)
Accuracy	Fixed Sugar compensation	0.7 %v/v for dry and medium-dry wines (less than 12 g/L sugar)
Accuracy	Sugar Content compensation	Dry range: 0.2 %v/v (less than 4 g/L sugar) Medium-dry range: 0.2 %v/v (4 g/L..12 g/L sugar) Medium-sweet range: 0.4 %v/v (12 g/L..45 g/L sugar) Sweet range: 0.4 %v/v (45 g/L..180 g/L sugar)
Accuracy	Type Sugar compensation	Dry range: 0.4 %v/v (less than 4 g/L sugar) Medium-dry range: 0.4 %v/v (4 g/L..12 g/L sugar) Medium-sweet range: 0.8 %v/v (12 g/L..45 g/L sugar) Sweet range: 0.8 %v/v (45 g/L..180 g/L sugar)

Accessoires bij dit product:

Accessoires
HI740225	kunststof spuit van 60 ml
HI92000	Software - alle Windows® OS's

Downloads bij dit product:

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