Stevens HydraGO Portable Soil Moisture System

The Stevens HydraGO portable soil moisture system makes soil spot sampling quick and easy. Instantly measure soil moisture, electrical conductivity, and temperature.


  • Patented sensor instantly measures moisture, EC (salinity) and soil temperature
  • Integrated Bluetooth for easy operation with free smartphone app
  • Cost effective solution for portable on-the-go soil monitoring
Starting At $1,795.00
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HydraGO and HydraGO FLEX represent the most advanced portable soil sensor system. Simply insert the probe into the soil, and tap on the “Sample” button in the HydraGO app. The HydraGO and HydraGO FLEX communicate wirelessly with your smartphone or tablet using Bluetooth. The HydraGO and HydraGO FLEX system features a rugged, Delrin housing that contains a rechargeable battery. The internal battery will last for long field sessions with repeated and frequent data samplings.

The HydraGO has a probe on the end of a shaft for easy surface measurements. It includes 4 segments so that the size can be adjusted from 25 to 84 cm (10 to 33 inches). The HydraGO FLEX has a detachable cabled probe that can be buried and left in the field. The cabled probe allows the user to collect data down a narrow-augured bore hole. The HydraGO FLEX comes with a fanny pack and brush for easy on-the-go measurements.

Both HydraGO and HydraGO FLEX utilize the HydraProbe Soil Sensor technology for the soil measurements. The HydraProbe is an impedance-based sensor that fully characterizes the radio frequency energy distribution of a standing wave in the soil measuring both the real and “imaginary” dielectric permittivities. This provides excellent accuracy and precision of the soil measurements across a wide range of soil types.

The HydraGO App works with both HydraGO and HydraGO FLEX and is available for both Android and iOS. The customizable display can show the measurement parameters including; soil moisture content, temperature, conductivity, pore water EC, GPS, and dielectric permittivities on-screen for immediate viewing. The GPS location, date and time of each measurement is recorded along with the soil measurement data. All data can be saved and emailed as a .CSV file for analysis in Excel. Field notes and customizable locations can also be added and exported to the data set.

Questions & Answers
How long is the handle and probe on the Stevens HydraGO soil moisture system?
The HydraGO system has an extendable handle allowing for lengths from 70cm to 153 cm, including the probe body.
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