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Technical Data
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| Measuring Principle | UV absorbance |
| Application | VARIVENT process connection for installation of the optical sensors: OUSAF44/46, OUSAF12, OUSAF22 and OUSTF10 |
| Material | Body: stainless steel 316L Windows: Borosilicate, quartz or sapphire O-rings: EPDM, silicone, FKM |
| Process temperature | 0 to 135°C (32 to 275 °F) |
| Process pressure | max. 11 bar abs. (159 psi abs.) at 25°C (77°F) |
VARIVENT assembly for the inline photometer
CUA261
Flow assembly with VARIVENT adapter for various optical inline measurements
Benefits
Allows Endress+Hauser process photometers to be installed in processes using VARINLINE housings
Hygienic process connection, suitable for cleaning in place (CIP) and sterilization in place (SIP), ensuring the highest product safety
Various window materials and optical path lengths for optimum adaptation to various processes
Compliant with FDA and (EC) No 1935/2004
Application areas
If you want to install an inline photometer into pipelines with VARIVENT connections, e.g. for measuring absorption, color or turbidity, the CUA261 is the right choice. Choose from various optical path lengths and window materials to ensure a perfect fit for your process. The CUA261 is available as a VARIVENT adapter for existing housings or can be ordered as a complete flow assembly with a VARINLINE housing.
The CUA261 can be used for:
OUSAF12 suspended solids and color sensor
OUSAF22 color sensor
OUSAF44 and OUSAF46 UV absorption sensors
OUSTF10 turbidity and suspended solids sensor
Typical applications include:
Color measurement
Chromatography control
Filtration monitoring
Centrifuge control
Protein concentration
Turbidity measurement
Phase detection
CIP optimization
The CUA261 is suitable for hazardous areas.
VARIVENT and VARINLINE are registered trademarks of GEA Tuchenhagen GmbH.
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Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Brackets 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 Brackets.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Brackets 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 · Brackets 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 Brackets.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Brackets 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 · Brackets 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 Brackets.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Brackets 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 · Brackets 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 Brackets.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Brackets 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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