Process Control Instruments and Field Devices
ENDRESS+HAUSER OUSAF12-W0A0A (1)
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EH OUSAF12 Optical sensor for the measurement of VIS/NIR absorption, changing phases and suspended solids. 0-2,5 AU measurement range. 0-100 bar process pressure. Stainless Steel 316L housing. IP65. ATEX, FM, CIP and SIP approvals.

Part# with Options:        OUSAF12-W0A0A
Price with Options:        Please Email us your request for quote   

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Wavelenght
(1) Wavelenght for EH OUSAF12
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(2) Calibration/Validation for EH OUSAF12
Lamp
(3) Lamp for EH OUSAF12
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(4) Lamp Approval for EH OUSAF12
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(5) Assembly for EH OUSAF12

  Availability 10 Days  ]

Optical sensor combined with the OUA260 flow assembly for absorbance measurement

Application

The sensor is used to determine the VIS/NIR absorption of a liquid medium.

  • Suspended solids measurement
    • Pharmaceuticals and biotechnology
    • Chemical industry
    • Paper and pulp industry
  • Interphase detection
    • Food and beverage industry
    • Chemical industry
    • Oil and gas industry
  • Centrifuge and separator control
Your benefits
  • Quality control and enhanced production efficiency thanks to reliable absorption measurement
    • Measuring range up to 2.5 AU or 50 OD (depending on optical path length)
    • Can be configured to measure absorption at discrete wavelengths in the visible regionand NIR region
    • Color-independent measurement with optional broadband filter
    • Incandescent lamp for long service life and stable measured values
  • Cost-effective, time-efficient verification (liquid-free)
  • FM- and ATEX-approved lamps for applications in the hazardous area
  • Deployable and durable in numerous applications: Variety of materials and process connections
  • Hygienic design for high degree of product safety: certified materials and CIP/SIP resistance
  • Can be adapted to process requirements: Optional air purge ports to prevent the formation of condensate on the optical windows
Measuring principle

The measuring principle is based on the Lambert-Beer law.

There is a linear dependency between the absorption of light and the concentration of the absorbing substance:

A = -logA m = ε . c . OPL
A ... absorption, A m ... absorption measured by detector
ε ... Extinction coefficient
c ... Concentration
OPL ... Optical path length

A light source emits radiation through the medium and the incident radiation is measured on the detector side.

The intensity of the light is determined by a photodiode and converted to a photocurrent. The subsequent conversion to absorbance units (AU, OD) is performed in the associated transmitter.

Measuring system

An optical measuring system comprises:

  • Sensor (photometer) OUSAF12
  • Liquiline CM44P transmitter
  • Cable set CUK80
  • Assembly to suit the sensor, e.g. OUA260

Measuring principle

Optical sensor

Application

Color measurement

Measurement of Suspendend Solids

Phase separation

Measurement range

0-2,5 AU
0-50 OD (depending on optical pathlength)

Material

Sensor housing: Stainless Steel 316L

Process temperature

0 to 90 C (32 to 194 F) continuous
max. 130 C (266 F) for 2 hours

Process pressure

0-100 bar (depending on flow through assembly)

Ex certification

Lamp housing:
ATEX II 2G EEx d IIC T5
FM Cl.1, Div. 1, Group B, C, D

Ingres protection

IP 65 (NEMA 4)

Export Info
Made inUnited States

  • ANALYSIS > MULTIPARAMETER TRANSMITTERS
    CM44P-AADINP1M00A0F015BAEA EH Liquiline CM44P 4 channel multiparameter (pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity) transmitter for up to 2 process photometers and 4 Memosens sensors. MIR Spectroscopy measuring principle. 0 to 2 ..

  • OPTICAL ANALIZERS > ASSEMBLY
    OUA260-BA1B04D1A1A EH OUA260 flow assembly for absorption, color and turbidity measurements with OUSAFXX and OUSTF10 optical sensors. Ultra-hygienic design. ..

  • OPTICAL SENSORS > GENERAL PURPOSE
    OUSAF11-AA105A1A10A EH OUSAF11 Glass-free Optical sensor for the measurement of VIS/NIR absorption, changing phases and suspended solids. G1 and NPT Process Connection. 390-1100 nm wavelenght range. 0-3 AU measurement range. ..


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