
Specs at a glance
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Measurement range
40 to 4 000 FAU
0 to 60 g/L suspended solids
0 to 10 OD -
Process temperature
Process temperature -20 to 85 °C (-4 to 185 °F)
Ambient temperature -20 to 60 °C (-4 to 140 °F) -
Process pressure
0.5 to 4.5 bar (7.3 to 65.3 psi) absolute
Field of application
Turbimax CUS50D is a smart sensor that allows unattended operation in a wide range of industrial wastewater and process applications. Its absorption principle enables single-point-calibration. Choose from different integrated analytical models to adapt the sensor to your specific application. With Memosens digital technology, Turbimax CUS50D combines maximum process and data integrity with simple operation. It resists corrosion and enables lab calibration.
Turbimax CUS50D measures turbidity, suspended solids and absorption in:
Industrial wastewater and utilities:
- Measurement of the solids content in process and wastewater sludge
- Flocculent dosing via absorption measurement
- Concentration measurement of milk products in wastewaterProcess media:
Concentration measurement of process media, e.g. titanium dioxideHighly absorptive media:
Concentration measurement in very dark media, e.g. in the 4th cleaning step of sewage treatment plants
Benefits
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High level of measurement accuracy and repeatability for stable measurements – in the middle and high turbidity measuring range
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High chemical resistance, low maintenance required: Sensor head consists completely of a dirt-repellent Teflon derivative.
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The robust plastic version of the sensor is designed for the use in corrosive media or saltwater.
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Fast and easy commissioning: Sensor comes pre-calibrated, includes various application models and can easily be adjusted via single-point-calibration.
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Automatic sludge model independently selects the optimum signal path for every sludge type.
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Perfect process adaption: Fast sensor positioning with a large variety of Endress+Hauser assemblies.
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 |
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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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Technical Information (TI)
Turbimax CUS50D
English version - 03/2020
Absorption sensor for turbidity and solids measurements
EN 27/03/202016/01/202003/06/201931/01/2018Language:
English
Version:
27/03/2020
File size:
915.7 KB
File name:
TI01395CEN_0420.pdf
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Operating Instruction (BA)
Turbimax CUS50D
English version - 03/2020
Absorption sensor for turbidity and solids measurements
EN 02/08/202327/03/202016/01/202031/01/2018Language:
English
Version:
27/03/2020
File size:
990.1 KB
File name:
BA01846CEN_0320.pdf
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Technical Information (TI)
Turbimax CUS50D
Absorption sensor for turbidity and solids measurements
EN 27/03/202016/01/202003/06/201931/01/2018Language:
English
Version:
27/03/2020
File size:
915.7 KB
File name:
TI01395CEN_0420.pdf
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Operating Instruction (BA)
BA Turbimax CUS50D
Absorption sensor for turbidity and solids measurements
EN 02/08/202327/03/202016/01/202031/01/2018Language:
English
Version:
02/08/2023
File size:
935.5 KB
File name:
BA01846CEN_0423-00.pdf
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Case Study (CS)
Der Absorptionssensor Turbimax CUS50D im Labortest bei Borealis
Der Absorptionssensor Turbimax CUS50D im Labortest bei Borealis
Language:
German
Version:
29/06/2018
File size:
983.8 KB
File name:
CS01571C15DE_Borealis.pdf
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Case Study (CS)
Solides en suspension dans un laveur en production d'engrais
Le capteur d'absorption Turbimax CUS50D en essai chez Borealis
Language:
French
Version:
29/06/2018
File size:
467.5 KB
File name:
CS01571CFR_0118.pdf
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Case Study (CS)
Borealis labtest of light-absorption sensor Turbimax CUS50D
Borealis labtest of light-absorption sensor Turbimax CUS50D
Language:
English
Version:
29/06/2018
File size:
2.4 MB
File name:
CS01571C15EN_Borealis.pdf
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Innovation (IN)
Turbimax CUS50D
Turbimax CUS50D – Trübungs- und Feststoffsensor für industrielle Abwässer und Prozesse
Language:
German
Version:
04/05/2018
File size:
1 MB
File name:
IN01120CDE_0118_CUS50D.pdf
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Innovation (IN)
Turbimax CUS50D
Capteur de turbidité et de concentration de matières en suspension pour les eaux usées industrielles et les eaux de process Surveillance de process fiable avec le Turbimax CUS50D
Language:
French
Version:
04/05/2018
File size:
481.3 KB
File name:
IN01120CFR_0118.pdf
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Innovation (IN)
Turbimax CUS50D
Turbimax CUS50D – Turbidity and total suspended solids sensor for industrial wastewater and processes
Language:
English
Version:
04/05/2018
File size:
941.4 KB
File name:
IN01120CEN_0118_CUS50D.pdf
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Manufacturer Declaration
Product family: Turbimax
Product root: CUS50D- Declaration number: HE_01021_01.18
Language:
English
Version:
26/07/2018
File size:
352.5 KB
File name:
HE_01021_01.18_TSE_BSE_CUS50D.pdf
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EU Declaration
Product family: Turbimax
Product root: CUS50D- Declaration number: EC_00656_01.18
EN 14/11/2022Language:
English
Version:
14/11/2022
File size:
317.6 KB
File name:
EC_00656_02.22.pdf
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