Technology - Definition of measurement items


Definition of measurement items


Firstly, understanding the definition of each word is very important. Below is the introduction of each units. The alcohol meter uses the following expressions on display and printout:

  •   Density:                 Density at 20 degree Celsius

  •   S.G(20/20):            Specific gravity at 20 degree Celsius

  •   Alcohol:                  Alcohol vol% at 20 degree Celsius (OIML table)

  •   Alcohol(A):             Alcohol vol% at 20 degree Celsius (AOAC table)

​Definition of measurement items

  • Alcohol concentration (Vol%) - Unit of volume percentage of ethanol and water at 20 degree.  Alcohol meter equips conversion table between the ethanol percentage and density value. This unit is used in quality control of alcohol drinks. 

  • Density - Mass (e.g. gram) per unit volume (e.g. cm3).

  • Specific gravity (SG)(relative density) - SG is the ratio of mass between a substance and reference standard.

User-friendly digital alcohol meter for wine, spirits and beer productions

Digital Alcohol Meter ALM-155

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