Turbidity Sensors and Transmitters

Turbidity Sensors and Transmitters

Turbidity sensors and transmitters provide continuous measurement of the cloudiness of a liquid caused by suspended particles, supporting both quality assurance and process control. Because turbidity spans a wide range of media - from very clean potable water to high-solids wastewater - the category includes multiple optical principles and sensor styles designed to match the measurement challenge.

Selecting the right sensor is central to data quality. Nephelometric sensors are suited to low-turbidity media such as potable water. To measure high turbidity (for example in wastewater), suspended solids sensors are applied. For processes with extreme fluctuations, absorption-based sensors can provide more unambiguous results and help reliably detect conditions such as product losses.

The benefits are immediate visibility and faster response. Real-time turbidity signals support filter performance monitoring, rapid detection of breakthrough, and optimized operational decisions. In wastewater, suspended solids trending supports clarifier and tertiary filtration performance; in industrial utilities it helps protect downstream membranes, exchangers, and sensitive process steps.

Typical applications include raw and finished drinking water monitoring, filter effluent quality assurance, wastewater effluent and solids handling, and process industries where clarity and solids carryover affect yield and quality. Inline turbidity measurement reduces reliance on manual testing and improves the ability to correlate events with upstream disturbances.

For best results, specify appropriate installation (pipe, bypass, or immersion), provide cleaning provisions where fouling is expected, and integrate diagnostics and alarms into operator workflows. When turbidity measurement is implemented as a maintained, trusted loop, it becomes a powerful early-warning and optimization tool across water, wastewater, and process environments.

Carotek, your trusted Endress+Hauser Representative.