When used in conjunction with a Watermark Soil Moisture Sensor, you can analyze the relationship between irrigation On periods and the corresponding change in soil moisture levels. Sensor plumbs into the irrigation line. The pressure switch trips On at 5 PSI (+/- 1.0) PSI). A detailed Irrigation Report in SpecWare software describes daily irrigation activity.

One per logger.

Click to view the Irrigation On / Off Sensor data sheet.