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  • Alex 500 frees wine producers from the need for external laboratories. You can easily monitor your entire production from grape to bottle.

Alcohol and Extract Meter for Wine: Alex 500

Alex 500 is a compact alcohol and extract meter that frees wine producers from the need for external laboratories. The reliable lab-grade analyzer determines your wine’s alcohol and total extract content whenever you wish. Now easily able to monitor your entire production from grape to bottle, you can always be sure to reveal all of your grapes’ hidden treasures and your bottles contain what their labels say: With Alex 500, you always keep your customer promise.

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Key Features

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 total extract content
  • Quality, pure and simple, from the world’s leading provider of density and alcohol measurement in the wine industry
  • Solution equally suited for highly reliable measurement of beer

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 total extract content towards the end of your wine’s fermentation

More than a hydrometer replacement

  • Covers the entire wine 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

Technical Specifications

Measuring range
Alcohol8 % v/v to 20 % v/v
Density0.95 g/cm3 to 1.2 g/cm3
Temperature10 °C to 32 °C (50 °F to 89.6 °F)
Alcohol0.2 % v/v
Density0.001 g/cm3
Repeatability s.d.
Alcohol0.1 % v/v
Density0.0005 g/cm3
Additional information
Sample volumeapprox. 40 mL degassed sample per measurement
Output parameters standard modeAlcohol content, density, SG, total extract
Output parameters fermentation monitor modeDensity, SG, °Brix, °Balling, °Baumé, °KMW, °Öchsle, °Babo
Sample fillingIntegrated peristaltic pump
AdjustmentDeionized 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)
Weight2.4 kg (5.3 lbs)
Power supplyAC 100 to 240 V, 50/60 Hz; DC 15 V, 2.6 VA
Communication interfaces1x Bluetooth,
1x USB-B,
1x RS-232
Internal storageStandard mode: 500 measured results

Fermentation monitor mode:
  40 Fermentation IDs
  100 measured results per ID
Available accessoriesPortable thermal printer with Bluetooth interface
Serial printer