Multi-Parameter Sonde that measures optical Dissolved Oxygen, pH/ORP,  turbidity, conductivity, temperature, and pressure, Salinity, resistivity, Total Dissolved Solids (TDS) and Density.

The Aqua TROLL 600 offers the flexibility, reliability and ruggedness you need for spot checking, low-flow sampling, remote monitoring, and long-term water or stormwater monitoring. Corrosion-resistant titainum construction stands up to harsh environments, and a convenient LCD readout of sensor health and connectivity gives you confidence in your short or long term deployment.