Find a field-ready instrument for measuring and logging important environmental parameters—dissolved oxygen, conductivity, turbidity, pH/ORP, and more. In-Situ^® Inc. offers water quality instruments suited to groundwater and surface water applications.

Aqua TROLL^® Instruments—Monitor and log conductivity and temperature in harsh environments. Add water level logging with the Aqua TROLL^® 200.

TROLL^® 9500 Instruments—Monitor and log important water quality parameters with the TROLL 9500. Customize the instrument to meet your needs. Use the instrument for both groundwater and surface water applications

RDO^® Optical Dissolved Oxygen Sensors—Use the breakthrough RDO sensor to get accurate results and fast, stable response. This sensor stands up to harsh conditions, reduces calibration frequency, and does not require hydration.

Total Dissolved Gas Sensors—Monitor supersaturation with a range of TDG sensors.

EPA Recommends Approval of In-Situ^® RDO^® Optical DO Methods

Field Deployment Guide
The Aquatic Sensor Workgroup developed a Field Deployment Guide for both new and experienced users. This guide is designed to lead you through the steps required to successfully deploy a water-quality monitoring system with sensors.