Endress Hauser AG

- Model CUS71D - Ultrasonic Interface Sensor



Memosens immersion sensor for sedimentation tanks in water, wastewater and utilities. Turbimax CUS71D continuously monitors the separation and transition zones in clarification and settling tanks, ensuring safe, economic and efficient sedimentation processes. It provides you with reliable, real-time measured values in real-time for quick control of valves and actuators. Turbimax CUS71D is ideal sensor for every measuring task - from protection of downstream water in wastewater treatment plants to optimization of backwash times in waterworks.

  • Reliable: Sensor provides accurate and continuous measurement of interface level or range.

  • Safe: Real-time interface information ensures quick control of valves and actuators.

  • Easy: Simple commissioning thanks to predefined calculation models.

  • Cost-saving: Automatic wiper cleaning function enables long-term, maintenance-free operation.

  • Intelligent: All calibration and sensor-specific data stored in the sensor.

  • Flexible: Mounting hardware suits all clarifier designs for optimal adaption to the measuring task

Turbimax CUS71D is an online ultrasonic interface sensor for:

  • Wastewater treatment plants:
    - Solid sedimentation measurement

  • Drinking and process water:
    - Solid sedimentation measurement
    - Filter monitoring and filter backwash
    - Level measurement in marble chip tanks

  • Utilities of all industries:
    - Static separation processes
    - Reuse of process water
    - Product separation
    - Flotation processes

  • Measuring principle

    Ultrasonic sensor

  • Application

    Continious interface measurement in sedimentation basins

  • Installation

    Submerged sensor with fixed cable

  • Measurement range

    0.3 - 10 m

  • Measuring principle

    Ultrasonic return-time measurement

  • Material


  • Dimension

    Diameter 73,3 mm
    Lenght standard sensor 68,8 mm
    Lenght wiper sensor 135,5 mm

  • Process temperature

    0 ... 50°C

  • Process pressure

    0 ... 6 bar

  • Temperature sensor

    0 .... 50°C

  • Ex certification


  • Connection

    Fixed cable 15 m

  • Ingres protection


  • Output

    Digital output for connection to Liquiline CM44x

  • Additional certifications


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