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Sludge Concentration (with screen and buttons)



TSS (Sludge concentration) in sludge: 0 - 10% solids

An easy to install small transducer (sensor) connected to a dataprocessor unit with a screen and buttons.
Small 90 x 100mm sensor for easy installation.

TSS (Sludge concentration) in sludge: 0 - 10% solids


  • Superior resistance to

  • fouling

  • struvite precipitation

  • changes in optical parameters (e.g. changing colour) 

  • Easy mounting due to the compact sensor.

  • Hot-tap retractable possible (other version - See OTD-SDXA)

  • Standard mantenance interval longer compared to optical sensors

  • Factory calibrated



Free depth of +/- 60 mm (80 µs echo)

Direct contact with fluid

Mounting options

  • Inline mounting: flange, mounting adaptor, vertical or horizontal

  • For version with exteneded transducer (for usage with Hot-Tap retractable), see OTD-SDXA


Sensor to dataprocessor: 2m, 6m (Other lenghts on request)
Dataprocessor to plc/datalogger: long cables possibles

Order & More information

All product variations

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With our versatile OLPAS Technology, we can build a tailor made sensor optimised for your application. 

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