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Salomon, G.; Laroca, R.; Menotti, D. Deep Learning for Image-based Automatic Dial Meter Reading: Dataset and Baselines. In Proceedings of the 2020 International Joint Conference on Neural Networks (IJCNN), Glasgow, UK, 19–24 July 2020; pp. 1–8. [ Google Scholar] [ CrossRef]
It’s always best to have a hydrometer or refractometer reading before and after fermentation to get the most accurate measurement. How Do You Calculate Alcohol Percentage in a Drink?The alcoholmeter is very similar to the hydrometer. It’s a long tube that floats in an alcohol/water mixture, with a scale next to it… The difference is that it has a line on it for every “percent” of alcohol. That’s right; You can read your spirits and liqueurs by measuring them for alcohol content without ever worrying about plugging them into a calculator. Verify the results : If possible, use a second method of alcohol measurements, such as gas chromatography or infrared spectroscopy, to verify the results. Once you know the amount of alcohol in the drink and the total volume of the drink, you can calculate the alcohol percentage using the following formula: Chechliński, Ł.; Siemiątkowska, B.; Majewski, M. A System for Weeds and Crops Identification—Reaching over 10 FPS on Raspberry Pi with the Usage of MobileNets, DenseNet and Custom Modifications. Sensors 2019, 19, 3787. [ Google Scholar] [ CrossRef] [ PubMed][ Green Version] It’s able to do this based on the difference in density between water and alcohol. Ethanol has about a 21% lower density than water. Fluid
Leuze.com ODSL 9/V6-450-S12 Optical Distance Sensor Technical Features. Available online: https://www.leuze.com/en-int/odsl-9-v6-450-s12/50111158 (accessed on 16 August 2022). While not as accurate as other methods, you can get a rough idea of the alcohol content by taste. As alcohol content increases, so does the alcohol taste and burn. You can compare the taste of the alcohol in question to a known alcohol content to estimate the alcohol content. For example, if 10 mL of the diluted wine solution required 1 mL of NaOH solution to neutralize the acid, the ABV would be calculated as follows:
Fakhry A. Assaad, Philip Elmer LaMoreaux, Travis H. Hughes (ed.), Field Methods for Geologists and Hydrogeologists, Springer Science & Business Media, 2004 ISBN 3540408827, p.299 In a nutshell, this is really all there is to both instruments. They both measure the density of a liquid and give you an accurate reading that you can use to measure alcohol content. Is An Alcoholmeter Just A type of Hydrometer? For home use, a hydrometer or alcoholmeter may be sufficient, while for legal or industrial use, more precise methods such as gas chromatography may be necessary. Conclusion Do not add any flavouring until after dilution as this will interfere with the accuracy of the Spirit Meter. Boyaci, I.H.; Genis, H.E.; Guven, B.; Tamer, U.; Alper, N. A novel method for quantification of ethanol and methanol in distilled alcoholic beverages using Raman spectroscopy. J. Raman Spectrosc. 2012, 43, 1171–1176. [ Google Scholar] [ CrossRef]