Enter at least 2 characters to start the search.

Glass-free absorption sensor

Glass-free absorption sensor
OUSAF11 ©Endress+Hauser
Glass-free absorption sensor
OUSAF11 ©Endress+Hauser
Glass-free absorption sensor
OUSAF11 ©Endress+Hauser
Glass-free absorption sensor
OUSAF11 ©Endress+Hauser

NIR/VIS absorption sensor for phase detection and suspended solids

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.

Quick selection

Choose from our suggested options
  • <%label%>
  • <%feature%>
  • Process Connection
  • <%message%>


Individual configuration

Continue your selection from all possible options
  • 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...

  • 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...

Features and specifications



  • Measuring principle

    NIR absorbance

  • Application

    Suspended solids measurement, product interface detection, milk detection, produkt loss detection

  • Characteristic

    VIS/NIR absorption

  • Measurement range

    0 to 3 AU
    0 to 6 OD (depending on optical path length)

  • Design

    Glassfree, hygienic sensor

  • Material

    Sensor head: FEP
    Sensor body: stainless steel 316L
    O-Ring: EPDM

  • Process temperature

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

  • Process pressure

    Max. 10 bar abs at 20 °C
    (Max. 150 psi at 68 °F)

  • Connection

    Thread G1
    NPT 1" thread
    Tri-Clamp 2"/2.5"/3"
    VARIVENT N DN40-125

  • Ingres protection

    IP 67
    IP 68 when mounted with CYH112

  • Additional certifications

    FDA, 3-A

Documents / Manuals / Software

Accessories / Spare parts

Order code