• In your final production stages, you can switch Alex 500 to its standard mode, to determine your beer's alcohol content, original or real extract content and all your other common beer parameters, like calories, degree of fermentation and many more, with lab-grade accuracy.
  • Anton Paar is the world's leading provider of density and alcohol measurement solutions for beer. Alex 500 is the result of decades of expertise boiled down to meet the craft brewers' exact needs.
  • In the fermentation monitor mode, the instrument directly displays a fermentation curve for you, assigned to a tank via sample ID.
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Alcohol and extract meter:
Alex 500

Determines the alcohol and extract content in beer, wine, cider, spirits, liqueurs, and sake.

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Part number: 154512
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Alex 500 is a compact alcohol and extract meter that frees craft beverage producers from the need for external laboratories. Besides alcohol and extract content it determines related parameters, such as calories or degree of fermentation, at any time. Alex 500 accurately measures all of your samples, in all production steps, from your juice, wort, or mash to the fermentation process and blending procedure to your bottled product. You can swiftly react to all undesired deviations as soon as they occur. With this lab-grade analyzer under your own roof you can always be sure that your bottles contain what their labels say, in order to keep your customer promise.

Key features

Visual fermentation monitoring

Visual fermentation monitoring

  • The special fermentation monitor mode enables you to keep an eye on 40 ongoing fermentations at the same time
  • Display of fermentation curves based on density measurement (apparent extract), assigned to a tank via sample ID
  • New measuring values are automatically added to the chart shown on the large display
  • Helps you prevent your product’s fermentation getting stuck or proceeding too quickly and allows you to immediately react to undesired deviations.
Measurement of alcohol and extract content

Measurement of alcohol and extract content

  • Measure alcohol and extract towards the end of your beverage’s fermentation.
  • Find out how your beverage changes during blending with flavors or bottle fermentation.
  • Helps you keep your beverage’s taste and quality stable from batch to batch
  • Provides the basis for correct calculation of your taxes
  • Proves that your bottles contain what their labels say
Perfect documentation and traceability of data

Perfect documentation and traceability of data

  • Storage of fermentation charts for 40 different sample IDs with up to 100 data sets each
  • Additional storage for 1000 alcohol and extract measurements in standard mode
  • Wireless printout of data via Bluetooth®
  • Data transfer to a PC (cable in scope of supply)
Standardized sample handling for intuitive operation

Standardized sample handling for intuitive operation

  • Simple, standardized sample preparation
  • Turbidity warning alerts you in case your sample requires additional filtration
  • Unique sample naming
  • Storage of customized measuring methods for different beverage types
  • Automatic filling of sample via integrated peristaltic pump
  • Easy adjustment with deionized water
Suitable for beer, wine, cider, spirits, liqueurs, and sake

Suitable for beer, wine, cider, spirits, liqueurs, and sake

  • Craft beer: measures samples from bright lager to deep black stouts, from bock beer to light beer, and even beer mixtures
  • Wine: ready for red, white, and rosé wines, sparkling and still, bottle- or tank-fermented products
  • Spirits & liqueurs: measures your high-proof alcohol – from spirits aged in wooden barrels to liqueurs with a sugar content of up to 450 g/L
  • Cider: ready for dry apple wines, traditional cider, and flavored cider mixtures
  • Sake: get a snapshot of the alcohol and extract present in your sake product – without the need for distillation.
Patented alcohol measuring technology that makes your life easier

Patented alcohol measuring technology that makes your life easier

  • Patented combination of absorption measurement via NIR spectroscopy and density measurement based on the oscillating U-tube technology
  • Comprehensive statistical model for determination of alcohol and total extract content
  • Quality, pure and simple, from the world’s leading provider of density and alcohol measurement in the wine industry
  • Covers the entire relevant measuring range
  • Provides direct, real-time results at all times, without any separate calculation or distillation

Technical specifications

Patents granted US 8106361 B2; AT 504 436 B8
Measuring range, alcohol:
  • Beer: 0.5 %v/v to 15 %v/v
  • Wine: 8 %v/v to 20 %v/v
  • Cider: 2 %v/v to 10 %v/v
  • Spirits & liqueurs: 10 %v/v to 47 %v/v
  • Sake: 5 %v/v to 20 %v/v
Measuring range, density: 0.95 g/cm³ to 1.2 g/cm³
  • Alcohol:
    • 0.2 %v/v for beer, wine, cider, sake, and spirits with a total extract of <100 g/L
    • 0.4 %v/v for liqueurs with a total extract between 100 g/L and 450 g/L
  • Density: 0.001 g/cm³
Repeatability, s. d.
  • Alcohol: 0.1 %v/v
  • Density: 0.0005 g/cm³
Digital Resolution
  • Alcohol: 0.01 %v/v
  • Density: 0.0001 g/cm³
Sample volume approx. 40 mL degassed sample per measurement
Output parameters, standard mode Alcohol at 15 °C or 20 °C, density, SG, apparent/total/real/original extract, original/present gravity, real/apparent degree of fermentation, calories, degrees lost, spirit indication, Nihonshu-do, Ekisu
Output parameters, fermentation monitor mode Density, SG, °Brix, °Balling, °Plato, °Baumé, °KMW, °Öchsle, °Babo
Sample filling Integrated peristaltic pump
Adjustment Deionized water
Dimensions (L x W x H) 320 mm x 230 mm x 100 mm
(12.6 in x 9.1 in x 3.9 in)
Weight 2.4 kg (5.3 lbs)
Power supply AC 100 to 240 V, 50/60 Hz, 1 A; DC 15 V, 2.6 A
Controls Softkeys
Ambient temperature 10 °C to 32 °C (50 °F to 89.6 °F)
Communication interfaces 1 x Bluetooth, 1 x USB-B, 1 x RS-232
Internal storage
  • Standard mode: 1000 measured results
  • Fermentation monitor mode: 40 fermentation IDs; 100 measured results per ID
Included accessories Connection cable to PC; peristaltic pump incl. hoses
Available accessories
  • Portable Bluetooth® printer
  • Serial printer
  • Sample preparation kit

Anton Paar Certified Service

The Anton Paar quality in service and support:
  • More than 350 manufacturer-certified technical experts worldwide
  • Qualified support in your local language
  • Protection for your investment throughout its lifecycle
  • 3-year warranty
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