Turbimax CUS51D
Technical Data
CompareTotal Solids / Total Suspended Solids
| Measuring Principle | Four beam alternating light |
| Application | Wastewater, process water and primary water treatment applications. Turbidity and suspended solids measurement at all stages of the wastewater treatment process and at primary water treatment applications with medium to high turbidities. |
| Installation | Insitu (immersion in process or retractable holder), extractive with sample and flow cell |
| Design | 40 mm sensor, stainless steel |
| Dimension | 194 mm x 40 mm |
| Material | Stainless steel 316L |
| 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 |
| Connection | G1, NPT3/4" |
| Ingress protection | IP68 (1 m / 3.3 ft) water column with 1N KCl during 60 days |
Turbidity
| Measuring Principle | Four beam alternating light |
| Application | Wastewater, process water and primary water treatment applications. Turbidity and suspended solids measurement at all stages of the wastewater treatment process and at primary water treatment applications with medium to high turbidities. |
| Installation | Insitu (immersion in process or retractable holder), extractive with sample and flow cell |
| 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 |
| Measuring principle | Scattered light in 90°/135° and 4beam cross light |
| Design | 40 mm sensor, stainless steel |
| Material | Stainless steel 316L |
| Dimension | 194 mm x 40 mm |
| Process temperature | Process temperature: -5 to 50 °C (23 to 122 °F) Ambient temperature: -20 to 60 °C (-4 to 140 °F) |
| Connection | G1, NPT3/4" |
| Ingress protection | IP68 (1 m / 3.3 ft) water column with 1N KCl during 60 days |
The Turbimax CUS51D is an intelligent sensor for measuring suspended solids concentration that allows unattended
operation during measurement. Its unique design is highly robust, and thanks to its self-cleaning function, maintenance is required only infrequently. The sensor is selected according to different comprehensive analysis models to suit the specific application. With Memosens digital technology, the CUS51D combines maximum process and data integrity with simple operation. It is corrosion- and moisture-resistant and can be calibrated in the laboratory.
Benefits:
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One sensor for many applications: “one device, many uses” optimizes inventory, speeds up projects and simplifies lifecycle management
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Optimizes all types of measuring tasks: built-in analysis modules for various measuring ranges
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Fast and simple commissioning: sensors are precalibrated and preset at the factory
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Unattended operation: intelligent design with complex self-cleaning functions reduces maintenance
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Perfect process suitability: fast sensor positioning with the Flexdip CYA112 and CYH112 assemblies
Application areas:
The Turbimax CUS51D measures suspended solids and turbidity, suitable for:
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Wastewater treatment plants:
- Solids content measurement during aeration, circulation and sludge treatment
- flocculant dosing
- turbidity measurement at the outlet -
Drinking water and process water:
- solids content measurement in sludge treatment
- flocculant dosing -
Utilities:
- Solids content measurement during aeration, circulation and sludge treatment
- Flocculant dosing
Commonly used models: CUS51D-AAC1A3 and CUS51D-AAD1A3
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Measuring principle video
Source: public information from the Endress+Hauser website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Turbidity Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Turbidity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Turbidity for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Turbidity Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Turbidity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Turbidity for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Turbidity Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Turbidity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Turbidity for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Turbidity Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Turbidity.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Turbidity for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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