Measures and records water level and pressure, conductivity and temperature. Vented or non-vented.

Measures and records conductivity and temperature.

In-Situ’s premier water level logger, ideal for groundwater professionals who require higher data resolution, expanded m

A cost-effective, sub 1-inch, vented option suited for a variety of fresh, saline and contaminated water applications. 

Measures and logs water level, water pressure and temperature in a low-maintenance system. Ideal for long-term monitorin

This premium water level data logger, available in a vented (35ft (11m)) configuration, exceeds USGS surface water stage

Use the BaroTROLL Data Logger with non-vented (absolute) In-Situ instruments to conveniently measure and log barometric

Measures and logs water level, water pressure and temperature. This economical, non-vented (absolute) water level logger

In-Situ’s most economical option for measuring and logging water level, water pressure and temperature. Use this durable

Extends deployment of the Aqua TROLL 500, 600, 700 and 800.

Removes biological growth from RDO sensors with a blast of compressed air.

The RDO Copper Guard can be threaded onto the RDO Blue for reliable protection.

Improves accuracy of your data and proglongs the length of your deployment of RDO PRO and RDO PRO-X Probes.

This copper pressure sensor nose cone extends Aqua TROLL 200 and Level TROLL 400/500/700 deployments.

This complete system includes a copper pressure sensor nose cone and conductivity sensor guard.

The Replacement Wiper Brush Kit includes one replacement brush for an Aqua TROLL 700 or 800 Multiparameter Sonde and thr

Wiper Brush Kit - includes one replacement brush and 3 brush heads for the Aqua TROLL 500 or 600.