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The hygienic Turbimax CUS52D version with stainless steel housing and clamp connection can be mounted directly into pipelines - ideal for drinking water applications.

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The Turbimax CUS52D immersion version with stainless steel housing is ideally suited for process water and utilities.

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The Turbimax CUS52D immersion version with plastic housing has been developed for desalination plants and all other applications with saline media.

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Easy and safe sensor verification: Turbimax CUS52D with CUY52 solid state reference.

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Turbimax CUS52D offers turbidity measurement according to ISO 7027.

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With the Turbimax CUS52D sensor you can measure turbidity with laboratory accuracy.

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The sensor offers reliable turbidity measured values combined with high material resistance.
Specs at a glance
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Measurement range
0.000 to 4000 FNU
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Process temperature
Stainless steel version: -20 to 85 °C (0 to 185 °F)
Plastic version: -20 to 60°C (-4 to 140 °F) -
Process pressure
Stainles steel version: 0.5 to 10 bar abs
(7.3 to 145 psi abs)
Plastic version: 0.5 to 6 bar abs
(7.3 to 87 psi abs)
Field of application
Turbimax CUS52D is a smart sensor with lab accuracy that allows unattended operation of all turbidity measuring points in drinking water production and many other applications with fresh, process or salt water. You can mount it directly into your pipeline, thus saving costly bypass installations and avoiding product losses. Thanks to Memosens digital technology, the Turbimax CUS52D offers maximum process and data integrity, simple operation and allows predictive maintenance.
Turbimax CUS52D measures turbidity in:
Drinking and process water:
- From inlet to outlet in water plants
- Raw water abstraction and control
- Distribution networks
- All quality control points in water productionSaline water:
- Desalination plants
- Marine applications (e.g. monitoring of exhaust gas cleaning on ships)Wastewater treatment plants:
- Reuse of outlet water (e.g. 4th cleaning step)Utilities in all industries:
- From inlet to outlet in water production
- Distribution networks
Benefits
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Measuring results like in the lab: Highly accurate and reliable monitoring of your water quality – even at the lowest turbidity.
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Turbidity measurement without product loss: Hygienic inline measurement preserves each drop of water in the process.
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Unattended operation: Intelligent design and practical accessories enable sophisticated self-cleaning capabilities and minimize maintenance.
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Smart verification and calibration: Absolutely safe, liquid-free, without Formazin.
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Great flexibility, simple handling: One sensor for all measuring points and all installation environments (inline or immersion).
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Improved process control: Individually adaptable sensor response time.
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Fast commissioning: Factory calibration and Memosens technology allow plug & play integration into your process.
Videos
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Turbidity is the cloudiness of a liquid caused by suspended particles. This video shows how turbidity measuring principles work.
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
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
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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Measuring principle
Single beam scattered light
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Application
Turbidity measurement in:
Drinking and process water
Saline water
Utilities of all industries -
Installation
Inline Insitu, sensor with clamp, flow cell, sensor with clamp, retractables, sensor straight, immersion in open channels
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Measurement range
0.000 to 4000 FNU
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Measuring principle
Nephelometric turbidity sensor (90° scattering) according to ISO7027
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Design
40 mm sensor
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Material
Stainless steel version: 1.4404
Plastic version: sensor head: PEEK, shaft: PPS
Optical windows: sapphire
O-rings: EPDM -
Dimension
40 mm design, hygienic Clamp-version
320 x 40 mm -
Process temperature
Stainless steel version: -20 to 85 °C (0 to 185 °F)
Plastic version: -20 to 60°C (-4 to 140 °F) -
Process pressure
Stainles steel version: 0.5 to 10 bar abs
(7.3 to 145 psi abs)
Plastic version: 0.5 to 6 bar abs
(7.3 to 87 psi abs) -
Temperature sensor
Stainless steel version:-20 to 85 °C
(0 to 185 °F)
Plastic version: -20 to 60°C
(-4 to 140 °F) -
Ingres protection
IP68
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Output / communication
Memosens
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Additional certifications
ISO 7027
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