
Specs at a glance
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Measurement range
0 to 2.5 AU
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Process temperature
0 to 90 °C (32 to 194 °F) continuous
Max. 130 °C (266 °F) for 2 hours -
Process pressure
Max. 100 bar (1450 psi)
(depending on flow through assembly)
Field of application
OUSAF22 is an optical sensor for precise inline color measurement in liquids in the visible region of the electromagnetic spectrum. It measures the slightest color changes, ensuring the highest quality standards of your products. Moreover, it provides you with fast values according to all standard color scales and avoids complicated and expensive sampling. OUSAF22 is ready for all kinds of environments, from hazardous areas (ATEX, FM) to hygienic processes (CIP/SIP).
The OUSAF22 sensor measures color for:
Quality control / Purity monitoring
Color dosage
Decolorization control
Distillation monitoring
This makes it fit for many industries such as
Life Sciences
Chemicals
Food & Beverages
Oil & Gas
Water
Color scale measurements: APHA/Hazen, Pt, EBC, ASBC, ASTM, ICUMSA, Lovibond
With its international explosion-protection approvals, such as ATEX and FM, the sensor is suitable for hazardous area use.
Benefits
Accurate color and purity monitoring for better product quality
Fast and direct inline measurement avoids expensive sampling and laboratory measurements
Values according to standard color scales (APHA/Hazen, etc.)
Low-maintenance sensor with long service life and stable operation
Outstanding filter performance provides highest linearity
Suitable for cleaning-in-place (CIP) and sterilization-in-place (SIP)
Approved for hazardous area use
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
|
Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |