Field Saturated Hydraulic Conductivity


Saturated hydraulic conductivity is a pain to measure in the field. And that's only the beginning. When you get back to the office, you still have to convert the raw data into hydraulic conductivity and infiltration rates. We think you should spend less time on complexity and more time being productive. That’s why we automated almost everything in the new SATURO.


Set it up, and leave

The SATURO dual head infiltrometer does almost everything for you. It’s fully automated and doesn’t require post-processing of data. Install the ring, connect the hoses, and push start.  It’s that simple.

The infiltrometer automatically measures infiltration rates, and the control unit calculates field saturated hydraulic conductivity (Kfs) on the fly. That means if you need a value right away, it’s there. If you want to dig deeper, you can always download the raw data.

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With this infiltrometer, one person can do everything

Unlike double ring systems, the SATURO infiltrometer is designed for one person to carry and set up. Plus, it requires way less water, saving you a ton of time and effort. How? The SATURO ponds water on top of the soil and uses air pressure to create two different pressure heads. It uses a pump to automatically maintain the correct water levels.

A photo of the SATURO field saturated hydraulic conductivity infiltrometer

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No more constant measuring and adjusting. It operates unattended, which means you can get other field work done instead of having to babysit the instrument. And, you can run multiple instruments simultaneously, allowing you to further maximize the efficiency of your time in the field.

A photo of the SATURO field saturated hydraulic conductivity infiltrometer

Eliminate guessing

Single and double ring infiltrometers require you to know—or guess—the “alpha factor” (soil macroscopic capillary length) to manually correct for three-dimensional flow. The SATURO infiltrometer changes everything. It automates the well-established dual-head method which measures infiltration at two different pressure heads to estimate sorptivity. This simplifies the three-dimensional flow analysis, allowing you to determine field saturated hydraulic conductivity without making any dubious assumptions. And the best part is—it does all the calculations for you, saving you hours of tedium.

A photo of the SATURO field saturated hydraulic conductivity infiltrometer

A simple, precise solution

The SATURO infiltrometer combines automation and simplified data analysis together in one system. It even computes infiltration rates and field saturated hydraulic conductivity on the fly. And the SATURO is recommended by the Soil Health Institute as a standard method for measuring Kfs: a Tier 1 soil health indicator. The SATURO makes life a little easier for those who need a faster, more accurate way to measure Kfs in the field.

A photo of Jason Borne, geotechnical engineering consulant at Earthspan LLC

“​​The SATURO allowed us to do many tests in a short amount of time to establish a threshold of where good infiltrating soils and poor infiltrating soils were located. This enabled us to change the design on the fly.  The double ring infiltrometer takes significantly more time to do a test, and time is of the essence when the contractor wants to backfill the area and get things moving. It was nice to have a tool that got us the information we needed more rapidly.”

 – Jason Borne, geotechnical engineering consultant, Earthspan, LLC

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Feature summary

  • Fully automated infiltrometer
  • Capable of unattended measurement
  • The Soil Health Institute recommends SATURO as a standard method for measuring Kfs: a Tier 1 soil health indicator
  • Kfs values calculated and graphed in real time, no data post-processing is necessary
  • Portable
  • Includes self-contained water reservoir

A photo of the SATURO field saturated hydraulic conductivity infiltrometer

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