Anton Paar - Alcohol and Extract Meter for Beer: Alex 500

Manufactured by  Anton Paar
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With Alex 500, you always keep your customer promise.

Alex 500 is a compact alcohol and extract meter that frees craft brewers from the need for external laboratories. The reliable lab-grade analyzer determines your beer's alcohol and extract content, calories, degree of fermentation and many more typical beer parameters whenever you wish. Now easily able to monitor your entire production from wort to bottle, you can always be sure your bottles contain what their labels say: With Alex 500, you always keep your customer promise.

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Features of Alcohol and Extract Meter for Beer: Alex 500

Patented technology

  • 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 extract content as well as other typical beer parameters
  • Quality, pure and simple, from the world’s leading provider of density and alcohol measurement in the brewing industry

Certainty from fermentation monitoring to final quality control

  • Two operation modes: fermentation monitor mode and standard mode
  • Display of fermentation curves based on density measurement (apparent extract), assigned to a tank via sample ID
  • Measurement of alcohol and extract content in final production stages

More than a hydrometer replacement

  • Covers the entire beer measuring range
  • Provides direct, real-time results at all times, without any separate calculation or distillation
  • Documentation and perfect traceability of measured data
  • Wireless printout of data via Bluetooth or data transfer to a PC
  • Robust, low-maintenance and easy to clean

Quick and intuitive operation

  • Simple, standardized sample preparation
  • Unique sample naming
  • Storage of customized measuring methods
  • Automatic filling of sample via integrated peristaltic pump
  • Easy adjustment with deionized water
General Specifications
Depth 320 mm
Height100 mm
Width 230 mm
Power Requirements AC 100 to 240 V, 50/60 Hz; DC 15 V, 2.6 VA
Weight2.4 kg
Additional Specifications

Measuring range

Alcohol: 0.5 % v/v to 15 % v/v

Density: 0.95 g/cm3 to 1.2 g/cm3

Temperature: 10 °C to 32 °C (50 °F to 89.6 °F)


Alcohol: 0.2 % v/v

Density: 0.001 g/cm3

Repeatability s.d.

Alcohol: 0.1 % v/v

Density: 0.0005 g/cm3

Additional Information

Sample Volume: approx. 40 mL degassed sample per measurement

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