Alcohol Measurement by Density or Sound Velocity
 
The ALCOHOL MONITOR measures the alcohol content of water-ethanol mixtures, including during the production of beer and beer mixed drinks. Depending on the version, measurement is based on density using RHOTEC or sound velocity using SONATEC.
 
Measuring Principle
 
Depending on the version, the alcohol content is determined from density using RHOTEC or sound velocity using SONATEC.
 
Applications
 
 
 
Water-Ethanol Mixtures
 
 
Beer
 
 
Beer Mixed Drinks
 
 
Alcohol Content
 
 
Production Process
 
 
In-line Measurement
 
 
Temperature drift of the measurement signal is automatically compensated. European patent application: 1 439 438 B1.
 
Technical Data
 
Measuring Principle: RHOTEC density or SONATEC sound velocity
 
RHOTEC Measuring Range: 0 - 100 vol. % alcohol
 
SONATEC Measuring Ranges: I) 0 - 20 vol. %
II) 35 - 70 vol. %
 
Accuracy: ± 0,02 vol. % (RHOTEC)
± 0,06 vol. % (SONATEC)
 
Response Time: ≤ 1 s
 
Operating Pressure: max. 16 bar
 
Operating Temperature / Temperature Sensor: -25 to +125 °C / Pt1000
 
Material: 1.4404 / 1.4435 / AISI 316L; Hastelloy; tantalum; others on request
 
Input: 1 x analog (4 - 20 mA) & 6 x digital (24 VDC)
 
Output / Fieldbus: 2 x analog (4 - 20 mA) & 3 x digital (24 VDC)
optional: PROFIBUS DP & PROFINET
 
Enclosure Rating: IP65; optional: ATEX (II 3G Ex ic IIC T6 Gc)
 
Power Supply: 24 VDC
 
Highly Accurate Alcohol Determination: Measurement of alcohol content during production.
 
Display at the Measuring Point: Depending on the version, the measured value can be read directly at the sensor.
 
Hygienic Design: Various materials and flange connections.
 
Modular Design & Extensions
 
Alcohol-Brix Monitor – In-line Alcohol & Brix
 
Beer Monitor – Alcohol, Extract & Original Gravity
 
RHOTEC – Density Measurement (Base Technology, Depending on Version)
 
SONATEC – Sound Velocity Measurement (Base Technology, Depending on Version)