Specs at a glance
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Measuring range
For formazin: 0 to 4000 FNU
Display range up to 9999 FNU
For sludge: 0 to 300 g/L
The achievable measuring range depends very much on the media -
Process temperature
Process temperature:
-5 to 50 °C (23 to 122 °F)
Ambient temperature:
-20 to 60 °C (-4 to 140 °F)
Field of application
Turbimax CUS51D is a smart sensor that allows unattended operation in a wide range of process conditions. Its unique design is extremely robust and it is also low-maintenance thanks to its self-cleaning functionality. Choose from different integrated analytical models to adapt the sensor to your specific application. With Memosens digital technology, the CUS51D combines maximum process and data integrity with simple operation. It resists corrosion and moisture and enables lab calibration.
Turbimax CUS51D measures suspended solids and turbidity in:
Wastewater treatment plants:
- Solids content measurement in aeration, recirculation and sludge treatment
- Flocculent dosing
- Turbidity measurement in the outletDrinking and process water:
- Solids content measurement in sludge treatment
- Flocculent dosingUtilities of all industries:
- Solids content measurement in aeration, recirculation and sludge treatment
- Flocculent dosing
Benefits
One sensor for all applications: The 'one for all' principle optimizes stockholding, speeds up project handling and simplifies life cycle management.
Optimum adaption to all measuring tasks:
Sensor fits all measuring ranges thanks to numerous integrated analytical models.Fast and easy commissioning: Sensor comes precalibrated and preconfigured ex factory.
Enables unattended plant operation: Intelligent design enables sophisticated self-cleaning capabilities and minimizes maintenance.
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Perfect process adaption: Fast sensor positioning with holder and assembly system Flexdip CYA112 and CYH112.
Videos
Extended selection
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High-end products
- Highly functional and convenient
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 |
|---|---|---|
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
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Technical Information (TI)
TI Turbimax CUS51D
English version - 11/2025
Sensor for turbidity and solids content
EN 26/11/2025Language:
English
Version:
26/11/2025
File size:
1 MB
File name:
TI00461CEN_2025-00.pdf
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Operating Instruction (BA)
BA Turbimax CUS51D
English version - 11/2025
Sensor for turbidity and solids content
EN 25/11/2025Language:
English
Version:
25/11/2025
File size:
1.1 MB
File name:
BA00461CEN_2124-00.pdf
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Technical Information (TI)
TI Turbimax CUS51D
Sensor for turbidity and solids content
EN 26/11/2025Language:
English
Version:
26/11/2025
File size:
1 MB
File name:
TI00461CEN_2025-00.pdf
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Operating Instruction (BA)
BA Turbimax CUS51D
Sensor for turbidity and solids content
EN 25/11/2025Language:
English
Version:
25/11/2025
File size:
1.1 MB
File name:
BA00461CEN_2124-00.pdf
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Installation Instructions (EA)
EA CYR51 mechanical cleaning
Spare parts kits
EN 06/06/2025Language:
English
Version:
06/06/2025
File size:
2 MB
File name:
EA01627CEN_0125-00.pdf
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Fields of Activities (FA)
水質分析の専門知識
センサからすべてを備えた
ターンキーソリューションまでLanguage:
Japanese
Version:
30/06/2025
File size:
4.6 MB
File name:
FA01018CJA_0422_Analysis_Portfolio_lowres.pdf
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Fields of Activities (FA)
Endress+Hauser 水質分析計ファミリ
ラインナップと事例
Language:
Japanese
Version:
23/03/2017
File size:
34.8 MB
File name:
FA00007CJA_2022_Endress Hauser liquid analysis family.pdf
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Fields of Activities (FA)
Sensoren, Messumformer, Kompaktgeräte and Armaturen
Kompetenz in der Flüssigkeitsanalyse
Language:
German
Version:
02/02/2026
File size:
4.3 MB
File name:
FA00007C_DE_Analyse_22-26_LowRes.pdf
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Fields of Activities (FA)
Sensors, transmitters, compact devices and assemblies
Experts in Liquid Analysis
Language:
English
Version:
02/02/2026
File size:
4.2 MB
File name:
FA00007C_EN_Analyse_22-26_LowRes.pdf
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Competence Brochure (CP)
良質な水のために
上水道、配水網、地表水、工業プラント向けの斬新なアイデア
Language:
Japanese
Version:
22/05/2025
File size:
10.1 MB
File name:
CP01335CJA_0223_Competence in water.pdf
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Competence Brochure (CP)
Aus Freude an gutem Wasser
Frische Ideen für Wasserwerke, Verteilernetze, Oberflächenwasser und
IndustrieanlagenLanguage:
German
Version:
14/07/2023
File size:
2.1 MB
File name:
CP01335CDE_0223_Kompetenz in Wasser.pdf
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Competence Brochure (CP)
For the love of quality water
Fresh ideas for waterworks, distribution networks, surface waters and
industrial plants.Language:
English
Version:
14/07/2023
File size:
2 MB
File name:
CP01335CEN_0223_Competence in water_LoRes.pdf
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