The Original Name in Soil Water Measurement

For over 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 (SSAT) are used to monitor and sample soil water quality

Data loggers will automatically record multiple sensor inputs for trend analysis

IRROcloud allows growers to view real-time sensor data from a mobile device or PC

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

News and Info

Product Update:


Our WaterSwitch module has been awarded the 2021 New Product Contest landscape specialty category win by the Irrigation Association. The WaterSwitch works with your irrigation controller to improve irrigation efficiency based on plant demand.

Read more about the WaterSwitch

Additionally, the WaterSwitch is now EPA WaterSense certified. Read more about the WaterSense program here.


We use cookies to recognize your browser or device, learn more about your interests, provide you with essential features and services, and for additional purposes as described in our cookie policy.
Please let us know if you agree to allow the use of cookies on this site, or opt out here.

Yes, I Agree