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OPTISYS SLM 2100

The OPTISYS SLM 2100 is a sludge level measuring system for measurement of sludge blanket level and fluff levels as well as sedimentation profiles. Using an optical sensor which travels right down to the tank bottom, it detects all sludge phases, supplying precise concentration and level measurements. Unlike with ultrasonic sludge level meters, there are no echo returns from tank walls or signal damping by fluff or floating sludge that can cause false measurements.


Digitally Enabled
  • Accurate and colour-independent measurement up to a depth of 10 m/32.8 ft
  • By immersion of optical sensor (180° transmission of NIR-LED)
  • No interference with fluff or floating sludge
  • Built-in heater and ventilation for temperature regulation
  • IP54 enclosure and built-in heater for outdoor installations
  • Low maintenance due to (optional) automatic flushing of sensor and cable after each measuring cycle
  • Reliable signal transmission from the sensor, due to digital communication via an optocoupler
  • Common operating and service concept with KROHNE flow and level devices (GDC)
This is a product of KROHNE Marshall.