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Glass-free absorption sensor OUSAF11

NIR/VIS absorption sensor for phase detection and suspended solids

Glass-free absorption sensor OUSAF11

NIR/VIS absorption sensor for phase detection and suspended solids

This product is not available in this region.

Please contact your Endress+Hauser sales partner for any further questions.

Benefits

  • Highest safety for your products thanks to glass-free, hygienic design
  • Cost savings and reduced product loss thanks to fast interphase detection
  • Low-maintenance sensor with long service life and stable operation
  • Flexible installation: Sensor features insertion (with Triclamp and Varivent connection) and immersion (with holder and assembly system Flexdip CYA112 and CYH112)
  • Robust sensor resists aggressive chemicals and fouling
  • Suitable for cleaning-in-place (CIP) and sterilization-in-place (SIP)
  • FDA and 3-A approval
FLEXible answers to individual needs
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Glass-free absorption sensor OUSAF11

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  • Highly functional and convenient

What is FLEX?

FLEX selections
Technical excellence
Simplicity
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
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Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

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Product information

Specifications
Measuring / Application task Concentration
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Description

OUSAF11 is a glass-free sensor for the inline detection of changing phases and suspended solids. Insert it in pipes and vessels to minimize product losses and to ensure the purity of your products. You may also apply it as an immersion sensor in open tanks and basins for efficient effluent monitoring. Its glass-free, hygienic design guarantees the highest safety of your products. OUSAF11 withstands high operating temperatures and aggressive media, making it suitable for all industries.

Field of application

The OUSAF11 sensor detects phase separations and suspended solids in :

  • Food & Beverages: - Milk detection in CIP solutions - Phase separation in dairies and breweries - Product loss detection in effluent
  • Primaries, mining and metals: - Suspended solids measurement
Benefits
  • Highest safety for your products thanks to glass-free, hygienic design
  • Cost savings and reduced product loss thanks to fast interphase detection
  • Low-maintenance sensor with long service life and stable operation
  • Flexible installation: Sensor features insertion (with Triclamp and Varivent connection) and immersion (with holder and assembly system Flexdip CYA112 and CYH112)
  • Robust sensor resists aggressive chemicals and fouling
  • Suitable for cleaning-in-place (CIP) and sterilization-in-place (SIP)
  • FDA and 3-A approval
Downloads
Most downloaded
Operating Instruction (BA)
OUSAF11 Operating Instructions Optical sensor for the measurement of VIS/NIR absorption
English version - 08/2016
Download
Technical Information (TI)
OUSAF11 Technical Information Optical sensor for the measurement of VIS/NIR absorption
English version - 03/2016
Download
Short Instruction (KA)
Integra OUM910/ OUSAF11/DP11 Analyzer/Sensor to measure Solid Concentration
English version - 06/2009
Download
All downloads
21 Downloads
Technical Information (TI)
Most downloaded
OUSAF11 Technical Information Optical sensor for the measurement of VIS/NIR absorption
English version - 03/2016
Download
Operating Instruction (BA)
Most downloaded
OUSAF11 Operating Instructions Optical sensor for the measurement of VIS/NIR absorption
English version - 08/2016
Download
Short Instruction (KA)
Integra OUM910/ OUSAF11/DP11 Analyzer/Sensor to measure Solid Concentration
English version - 06/2009
Download
Installation Instructions (EA)
Operation instruction for Kits OUSAFxx explosion proof lamps Operation instruction for Kits OUSAFxx explosion proof lamps
English version - 03/2026
Download
Special Documentation (SD)
SD Hygienic applications Liquid analysis equipment
English version - 09/2026
Download
Fields of Activities (FA)
Esperti nell’analisi dei liquidi Dai sensori singoli a soluzioni
complete “chiavi in mano”
Italian version - 01/2017
Download
Fields of Activities (FA)
Kompetenz in der Flüssigkeitsanalyse Vom Sensor bis zur schlüsselfertigen Komplettlösung
German version - 09/2022
Download
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
Japanese version - 06/2025
Download
Fields of Activities (FA)
Catálogo Portfolio Analítica Desde sensores hasta soluciones completas
Spanish version - 01/2017
Download
Fields of Activities (FA)
Sıvı analizinde uzmanlık Sensörlerden komple anahtar teslim çözümlere
Turkish version - 11/2023
Download
Fields of Activities (FA)
Expertise in liquid analysis From sensors to complete turnkey solutions
English version - 09/2022
Download
Fields of Activities (FA)
Jistota v analýze kapalin Od senzorů po kompletní dodávku na klíč
Czech version - 01/2017
Download
Competence Brochure (CP)
Photomètres de process Expertise en analyses physico-chimiques
French version - 09/2016
Download
Competence Brochure (CP)
プロセスフォトメータ 水質分析に関する高度な専門知識
Japanese version - 04/2024
Download
Competence Brochure (CP)
Prozessphotometer Kompetenz in der Flüssigkeitsanalyse
German version - 09/2016
Download
Competence Brochure (CP)
Fotómetros para procesos Experiencia en análisis de líquidos
Spanish version - 01/2015
Download
EU Declaration
Product family: Absorbance, Cell growth, Turbidity and total suspended solids, UV Product root: OUSAF11-, OUSAF12-, OUSAF21-, OUSAF22-, OUSAF44-, OUSAF46-, OUSTF10-
Declaration number: EC_00245_04.23
English version - 01/2023
Download
UK Conformity Assessed
Product family: Absorbance, Cell growth, Turbidity and total suspended solids, UV Product root: OUSAF11-, OUSAF12-, OUSAF21-, OUSAF22-, OUSAF44-, OUSAF46-, OUSTF10-
Declaration number: UK_00499_03.23
English version - 01/2023
Download
Miscellaneous
Product family: Absorbance, CeraGel, CeraLiquid, Ceramax, CeraTex, Memosens, OrbiPore, OrbiSint, PuriSys, Turbidity and total suspen ded solids Product root: CPF81E-, CPS11-, CPS11E-, CPS13-, CPS31E-, CPS341D-, CPS41-, CPS41E-, CPS47E-, CPS61E-, CPS71-, CPS71E-, CPS77E-, CPS9
1-, CPS91E-, CPS97E-, OUSAF11-, OUSTF10-
Region: Eurasian Economic Union
Approval agency: T-Standard
Approval number: ЕАЭС KZ 7500525.13.12.00643
Russian version - 02/2025
Download
Miscellaneous
Product family: Absorbance, Cell growth, Isemax, Liquiport, Liquistation M, Memosens, New analyzer platform, OxyMax W, Spectrometer, Turbidity and total suspended solids, Turbimax, UV Product root: CA80AL-, CA80AM-, CA80COD-, CA80CR-, CA80FE-, CA80HA-, CA80NO-, CA80PH-, CA80SI-, CA80TN-, CA80TP-, CAS40D-, CAS80E-,
COS22E-, COS41-, COS51E-, COS61-, COS61D-, COS81E-, CSF48-, CSP44-, CUS50D-, CUS51D-, CUS52D-, OUSAF11-, OUSAF12-, OUSAF21-, OUSAF22
-, OUSAF46-, OUSBT66-, OUSTF10-
Region: Eurasian Economic Union
Approval agency: T-Standard
Approval number: ЕАЭС KZ 7500525.13.12.00620
Russian version - 03/2025
Download
Miscellaneous
Product family: Absorbance, Cell growth, Isemax, Liquiport, Liquistation M, Memosens, New analyzer platform, OxyMax W, Spectrometer, Turbidity and total suspended solids, Turbimax, UV Product root: CA80AL-, CA80AM-, CA80COD-, CA80CR-, CA80FE-, CA80HA-, CA80NO-, CA80PH-, CA80SI-, CA80TN-, CA80TP-, CAS40D-, CAS80E-,
COS22E-, COS41-, COS51E-, COS61-, COS61D-, COS81E-, CSF48-, CSP44-, CUS50D-, CUS51D-, CUS52D-, OUSAF11-, OUSAF12-, OUSAF21-, OUSAF22
-, OUSAF46-, OUSBT66-, OUSTF10-
Region: Eurasian Economic Union
Approval agency: T-Standard
Approval number: ЕАЭС KZ 7500525.13.12.00638
Russian version - 02/2025
Download

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