Field of application
The Fermentation Monitor QWX43 is installed directly in the tank. It measures density, temperature, and acoustic velocity and calculates all relevant fermentation parameters, such as degree of fermentation, residual extract, and alcohol content. The multi-sensor system provides precise and repeatable measurements in real time. Thanks to Endress+Hauser's Netilion app, users can track their fermentation processes via any internet enabled device.
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The Fermentation Monitor QWX43 supports brewers in their work. It continuously screens all parameters that are important for the fermentation process of beer. The multi-sensor system provides precisely measured values that can be retrieved at any time and from anywhere via an app. This gives brewers full insight into their fermentation process and saves any further effort.
Benefits
No on-site presence required
Precise and repeatable measurements replace spindling and laboratory analysis
Minute-by-minute update of the crucial process parameters, the results can be retrieved at any time and from anywhere
Data-driven process improvements through comparison of values from past batches and automatic notifications
Automatic creation, saving and downloading of batches and values
Hygienic design enables tank-integrated cleaning
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Lean selection
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Measuring principle
Medium consistency
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Measuring method
Continuous measurement of density, viscosity, ultrasonic velocity, temperature and all fermentation parameters
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Application
Easy and convenient inline fermentation monitoring with a cloud-connected mulitparameter device
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Supply voltage
24 V DC
10…30 V DC -
Measurement range
Measured values:
Viscosity: 0 to 1000 mPa s
Density: 0.3 to 2.0 g/cm³
Temperature: -5°C to 95°C (+23°F to +203°F)
Sound velocity: 800 to 2200 m/s
Calculated values:
Extract: up to 20° Plato
Alcohol: up to 15 % vol alcohol -
Accuracy
Measured errors:
Viscosity: 0.02 mPas
Density: 0.0001 g/cm³
Temperature: 0.08 °C
Sound velocity: 0.23 m/s -
Ambient temperature
-20°C…+60°C (-4°F...+140°F)
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Process temperature
-10°C…+110°C
(-14°F...+230°F) -
Process pressure
Vacuum...16 bar
(Vacuum...232,1 psi) -
Output / communication
WLAN Webserver integrated
Digital ENDRESS + HAUSER Cloud Services -
Connection
Tri-Clamp ISO2852, DIN11851
DRD, Varivent N -
Ex certification
No Ex certificates
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Additional certifications
EHEDG and 3-A conform constructed
EG1935/2004 -
Options
Tube extension
5 m cable
Plug connector M12
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