Earth Sciences Products AquaTROLL 400

AquaTROLL 400

SKU: aquatroll-400-grouped

The Aqua TROLL 400 Multiparameter Probe is an all-in-one multiparameter probe that measures 12 water parameters. The probe contains six water quality sensors housed in a sub-2 inch unit, measuring actual and specific conductivity, salinity, total dissolved solids, resistivity, density, dissolved oxygen, ORP, pH, temperature, water level and water pressure.

Use the Aqua TROLL 400 Multiparameter Probe to monitor remediation programs, mine water, production water, coastal environments, stormwater systems, real-time and long-term monitoring, or other applications. Integrate with the VuSitu app, telemetry systems and HydroVu Data Services for real-time feedback on all of your water monitoring sites.

Don’t have a MY RICE Online Account?

No problem! You may add items to your cart and proceed to Checkout without registering a MY RICE Online Account.

You may also Register for a MY RICE Online Account in order to receive preferred customer pricing and to be able to view account details at a glance. And, a whole lot more.

It is very easy. Simply proceed to Checkout and Sign Up for a MY RICE Online Account or go to the Sign In to the MY RICE Portal at the top of this page to get started.

Product Details


  • 12 parameters from six sensors
  • DO readings automatically compensate for salinity
  • Modbus/RS485 or SDI-12 protocols
  • Compact instrument
  • Durable materials
  • Versatile power options (no internal battery)
  • Real-time readings (data storage unavailable)


  • Ideal for long-term monitoring – Rugged probe can be deployed for months of unattended operation.
  • Control project costs – Durable networking probe withstands harsh field conditions.
  • Reliable data – Patented, EPA-approved optical RDO sensor, plus multiparameter sensors that prevent drift that comes with age.
  • Fits your deployment – Compact design for narrow deployment locations.
  • 24/7 data access – Open communication protocols easily integrate into your existing telemetry system and HydroVu Data Services.


Document Name: Aqua TROLL® 400 
Document Type: Spec Sheet