Endress Hauser AG

- Model CUS51D - Suspended Solids Sensor



Memosens sensor for suspended solids and turbidity measurement in water, wastewater and utilities. Turbimax CUS51D is a smart sensor that allows unattended operation in a wide range of process conditions. Its unique design is extremely robust and it is also low-maintenance thanks to its self-cleaning functionality. Choose from different integrated analytical models to adapt the sensor to your specific application. With Memosens digital technology, the CUS51D combines maximum process and data integrity with simple operation. It resists corrosion and moisture and enables lab calibration.

  • One sensor for all applications: The 'one for all' principle optimizes stockholding, speeds up project handling and simplifies life cycle management.
  • Optimum adaption to all measuring tasks:
    Sensor fits all measuring ranges thanks to numerous integrated analytical models.
  • Fast and easy commissioning: Sensor comes precalibrated and preconfigured ex factory.
  • Enables unattended plant operation: Intelligent design enables sophisticated self-cleaning capabilities and minimizes maintenance.
  • Perfect process adaption: Fast sensor positioning with holder and assembly system Flexdip CYA112 and CYH112.

Turbimax CUS51D measures suspended solids and turbidity in:

  • Wastewater treatment plants:
    • Solids content measurement in aeration, recirculation and sludge treatment
    • Flocculent dosing
    • Turbidity measurement in the outlet
  • Drinking and process water:
    • Solids content measurement in sludge treatment
    • Flocculent dosing
  • Utilities of all industries:
    • Solids content measurement in aeration, recirculation and sludge treatment
    • Flocculent dosing

  • Turbidity Measuring Principle : Four beam alternating light
  • Application : Turbidity in the effluent of WWTP, solids in the biological process and in different sludges
  • Installation : Insitu (immersion in process or retractable holder), extractive with sample and flow cell
  • Measurement range : 0..9999 FNU, 0..150g/l SS
  • Measuring principle : Scattered light in 90°/135° and 4beam cross light
  • Design : 40 mm sensor, stainless steel
  • Material : stainless steel 316L
  • Dimension : 194 mm x 40 mm
  • Process temperature : Process temperature -50 ... 50°C / 23 ... 120°F Ambient temperature -20 ... 60°C / -4 ... 140°F
  • Connection : G1, NPT3/4
  • Ingres protection : IP68 (1m/3,3ft) water column with 1N KCl during 60 days

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