Water Quality Sensors
Water Quality Sensors measure dissolved oxygen, conductivity, turbidity, pH, temperature, ammonium, nitrate, chloride, and more. For use in applications as diverse as raw sewage, wastewater, stormwater, rivers/streams, lakes/reservoirs, and seawater.
Product Categories

Flexible multi-parameter sonde with interchangeable sensors, the Aqua TROLL 500 replaces multiple instruments and saves time in the field to reduce overall monitoring costs.

Flexible multi-parameter sonde with interchangeable sensors, and internal power and data logging. The Aqua TROLL 600 replaces multiple instruments and saves time in the field to reduce overall monitoring costs.

NEW! Use your iOS™ or Android™ mobile device to check dissolved oxygen levels instantly.

All-in-one multiparameter process probe designed to measure 12 water parameters.

Measures and records conductivity and temperature, the sensor body is Titanium construction.

Measures and records water level & pressure, conductivity, and temperature. Vented or non-vented. Sensor body is made of titanium.

Monitor wastewater, stormwater and industrial flows in full pipes, partially full pipes and open channels

Monitors inputs ranging from flumes and weirs, water quality sensors and rainfall gauges, drinking water flows (leak detection), and weather stations.

These cable systems utilize In-Situ's unique cabling system with quick disconnects. Vented and Non-Vented Cables, Polyurethane and Tefzel

The MPX4 is a cost-effective multiprobe enabling easy integration with control systems and telemetry for long-term installation plus portable wireless data collection when used as a handheld.

The TurbiTechw² Sensors have been specifically designed for use in wastewater treatment systems where high levels of suspended solids are desirable in the aeration phase.

Low maintenance optical measurement of dissolved oxygen and temperature in process applications.

The 7300w² Monitor is designed to offer monitoring of multiple parameters from a centralized location.
This flexible online system is suitable for use across a full range of drinking water and wastewater applications.

The rugged dissolved oxygen (RDO) RDOX probe uses optical technology for measuring DO in demanding wastewater process environments and is available in stainless steel.