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Fermentation Monitor QWX43

Measures continuously all parameters relevant for the fermentation process. For transparency in fermentation processes, for example in beer.

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Fermentation Monitor QWX43

Measures continuously all parameters relevant for the fermentation process. For transparency in fermentation processes, for example in beer.

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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
FLEXible answers to individual needs
Current product

Fermentation Monitor QWX43

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  • Standard products
  • Reliable, robust and low-maintenance

What is FLEX?

FLEX selections
Technical excellence
Simplicity
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
Variable
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

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Product information

Fermentation Monitor QWX43 helps brewers control the  fermentation process of beer
Fermentation Monitor QWX43
Specifications
Measuring / Application task Physical medium properties
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Description

The Fermentation Monitor QWX43 is installed directly in the fermentation tank and measures density, temperature, and acoustic velocity. Additionally, the QWX43 calculates all relevant fermentation parameters, such as degree of fermentation, residual extract, and alcohol content, the sugars of the wort or the fermentation rate.

Field of application

All measured values can be integrated directly to the control system. The multi-sensor system provides precise and repeatable measurements in real time and data can be processed in Netilion, Endress+Hauser's IIoT ecosystem. Thanks to Endress+Hauser's Netilion app, users can track their fermentation processes via any internet enabled device. The fermentation process can be monitored at any time and from anywhere.

Click here to learn more.

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
Downloads
Most downloaded
Technical Information (TI)
TI Fermentation Monitor QWX43 Continuous monitoring of key parameters such as alcohol content, extract content and original gravity in beer
English version - 04/2025
Download
Operating Instruction (BA)
BA Fermentation Monitor QWX43 Continuous monitoring of key parameters such as alcohol content, extract
content and original gravity in beer
English version - 11/2024
Download
Special Documentation (SD)
SD Security Manual Fermentation Monitor QWX43 Continuous monitoring of key parameters such as alcohol content, extract content and original gravity in beer
English version - 07/2025
Download
The CAD Drawings will be available after the configuration.
All downloads
57 Downloads
Technical Information (TI)
Most downloaded
TI Fermentation Monitor QWX43 Continuous monitoring of key parameters such as alcohol content, extract content and original gravity in beer
English version - 04/2025
Download
Operating Instruction (BA)
Most downloaded
BA Fermentation Monitor QWX43 Continuous monitoring of key parameters such as alcohol content, extract
content and original gravity in beer
English version - 11/2024
Download
Special Documentation (SD)
SD Security Manual Fermentation Monitor QWX43 Continuous monitoring of key parameters such as alcohol content, extract content and original gravity in beer
English version - 07/2025
Download
Special Documentation (SD)
SD Weather protection cover for single compartment housing Accessories
English version - 07/2023
Download
Special Documentation (SD)
SD Hygiene certificates Level and pressure measuring devices
English version - 05/2024
Download
Special Documentation (SD)
SD Fermentation Monitor QWX43 Start-Up Guide
English version - 08/2024
Download
PU (Publication)
All key fermentation parameters All key fermentation parameters
The Fermentation Monitor QWX43
English version - 02/2024
Download
PU (Publication)
So wird der Gärkeller automatisiert Der Fermentation Monitor QWX43 So wird der Gärkeller automatisiert
Der Fermentation Monitor QWX43
German version - 02/2024
Download
PU (Publication)
Le contrôleur de fermentation QWX43 Comment automatiser une cave de fermentation
Le contrôleur de fermentation QWX43
French version - 08/2025
Download
Case Study (CS)
Case Study - Real-time control of the fermentation process Pillmeier Bräu ensures beer quality through automation
English version - 12/2025
Download
Case Study (CS)
Case Study - Echtzeitkontrolle im Gärtank Pillmeier Bräu sichert Bierqualität mit Automatisierung
German version - 07/2025
Download
Case Study (CS)
Nachhaltig voran mit innovativer Messtechnik Flensburger verbindet Tradition mit moderner Prozesspräzision
German version - 11/2025
Download
Case Study (CS)
Case study - Reduce time at the brewery with the QWX43 Bräu z'Loh relies on continuous online fermentation monitoring
English version - 06/2025
Download
Case Study (CS)
Arbeitsersparnis mit dem QWX43 Bräu z’Loh setzt auf kontinuierliche Online-Gärüberwachung
German version - 06/2024
Download
Case Study (CS)
Casestudie over de fermentatiemonitor QWX43 De ervaringen van de Gooische Bierbrouwerij met de
fermentatiemonitor QWX43
Dutch version - 07/2025
Download
Innovation (IN)
Alle wichtigen Gärparameter – laborgenau in Echtzeit Der Fermentation Monitor QWX43
German version - 07/2023
Download
Innovation (IN)
De Fermentation Monitor QWX43 De Fermentation Monitor QWX43 screent continu alle parameters die
belangrijk zijn voor het vergistingsproces van uw bier.
Dutch version - 10/2021
Download
Innovation (IN)
Fermentation Monitor QWX43 Tutti i parametri chiave della fermentazione
Fermentation Monitor QWX43
Italian version - 10/2023
Download
Innovation (IN)
すべての主要な発酵パラメータ 発酵モニタQWX43 発酵モニターは、ビールの発酵プロセスにおいて重要なすべてのパラメータを継続的に監視します。
Japanese version - 12/2024
Download
Innovation (IN)
Tous les paramètres clés de la fermentation Le contrôleur de fermentation QWX43
French version - 08/2025
Download
Innovation (IN)
Innovation brochure - The Fermentation Monitor QWX43 The Fermentation Monitor continuously screens all parameters
that are important for the fermentation process of your beer.
English version - 07/2023
Download
White paper (WP)
Fermentation Monitor QWX43 Fermentation Monitor QWX43
German version - 08/2024
Download
White paper (WP)
Fermentation Monitor QWX43 Fermentation Monitor QWX43
English version - 10/2024
Download
Manufacturer Declaration
Product family: Cerabar, Cerabar M, Cerabar S, Ceraphant, Deltabar, Deltabar M, Deltabar S, Deltapilot M, Fieldgate, Gammapilot, Lev elflex, Liquicap M, Liquicap T, Liquiphant, Liquiphant FailSafe, Liquiphant M, Liquipoint, Liquipoint T, Liquitrend, Micropilot, Mic ropilot S, Minicap, Fermentation monitor, Prosonic M, Prosonic S, Prosonic T, Solicap M, Solicap S, Soliphant M, Soliphant T, Spare parts level, Strahlenschutzbehälter, System & Gauging, Tankvision, Waterpilot Product root: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FHX40-, FHX50-, FHX50B-, FMB50-, FMB51-, FMB52-, FMB53-, FMD71-, FMD7
2-, FMD77-, FMD78-, FMG50-, FMI21-, FMI51-, FMI52-, FMP50-, FMP51-, FMP52-, FMP53-, FMP54-, FMP55-, FMP56-, FMP57-, FMR10-, FMR10B-,
FMR20-, FMR20B-, FMR30B-, FMR43-, FMR50-, FMR51-, FMR52-, FMR53-, FMR532-, FMR54-, FMR540-, FMR56-, FMR57-, FMR60B-, FMR62B-, FMR63
B-, FMR66B-, FMR67B-, FMU30-, FMU40-, FMU41-, FMU42-, FMU44-, FMX11-, FMX21-, FTC260-, FTC262-, FTI51-, FTI52-, FTI55-, FTI56-, FTI7
7-, FTL31-, FTL33-, FTL41-, FTL43-, FTL50H-, FTL51B-, FTL51H-, FTL62-, FTL63-, FTL64-, FTL80-, FTL81-, FTL85-, FTM20-, FTM21-, FTM50
-, FTM51-, FTM52-, FTW23-, FTW31-, FTW32-, FTW33-, FWR30-, NMR81-, NMR84-, NMS80-, NMS81-, NMS83-, NMT532-, NMT539-
English version - 03/2025
Download

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Spare parts and accessories

M12-female plug connec., 100deg,5m cable

Order code 52010285

Weather protection cover, plastic, XW111

Order code 71438291
Spare parts and accessories
Fermentation Monitor QWX43 helps brewers control the  fermentation process of beer
Fermentation Monitor QWX43

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Fermentation Monitor QWX43 helps brewers control the  fermentation process of beer
Fermentation Monitor QWX43
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Spare parts and accessories

M12-female plug connec., 100deg,5m cable

Order code 52010285

Weather protection cover, plastic, XW111

Order code 71438291
Spare parts and accessories

Selection of compatible products

/