The original name in soil water measurement

For nearly 70 years, IRROMETER tensiometers and WATERMARK soil moisture sensors have continued to be the preferred choice of growers, irrigation experts, and researchers alike. We provide proven, affordable, and reliable solutions for improved yields, increased profits, and conservation of resources.






Since 1951 IRROMETER has been a trusted source for the reliable measurement of soil water





Learn about soil water tension along with how to read and understand the information





Use our product selection guide to help determine which sensor is right for you





The IRROMETER Tensiometer and The WATERMARK Granular Matrix Sensor





Soil Solution Access Tubes are used to monitor and sample soil water quality





Data loggers will automatically record multiple sensor inputs for trend analysis





Online portal allows users to view real time measurements from their phone or PC





Find a local dealer or sales representative in our worldwide distribution network


News and Info


Product Updates:



IRROMETER Web Portal

Our recently updated Web Portal gives users access to their data from anywhere, anytime. Updates include mapping features, quick view dashboard, and mobile enhancements.

Read more here.



IA Show 2018



Come visit us in booth 933 at the Irrigation Association show in Long Beach, CA December 5-6 2018.