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Combined Sewer Overflow (CSO)

Level measurement in the stormwater overflow chamber

Process data

Measuring task:
Level measurement
Measuring point:
Overflow basin
Measuring range up to:
0 … 5 m
Process temperature:
+10 ... +30 °C
Process pressure:
0 … 0 bar
Special challenges:
Fouling, condensation, inundation


Large Combined Sewer Overflows (CSOs) protect the wastewater treatment plant from a capacity overload during heavy rain. The precipitation is temporarily stored and then delivered to the treatment plant at a reduced rate. If the stormwater basin cannot hold the accumulating quantities of water, part of it is discharged. Due to legal requirements, such operational events and discharged water quantities must be measured and documented. A level sensor provides the required measurement data.

Your benefit

High operational reliability even when subjected to inundation
Cost effective
Reliable measurement and maintenance-free operation
User friendly
Simple setup and adjustment

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Industry brochure

Level and pressure instrumentation for wastewater treatment