Introducing the Optical Membrane Soil Moisture Sensor!
It's Finally Arrived!
What is it?
The Optical Membrane Soil Moisture Sensor is a new, patent-pending technology for evaluating the state of water saturation in soil.
How does it work?
The sensor is designed to be buried in the soil, with microfiber “wings” (optical membrane) extending from its sides. This membrane absorbs moisture from the surrounding soil, which then wicks into the core of the sensor. As water content increases, it alters the optical characteristics of the system. The onboard electronics evaluate this modulation and output a numerical value representing the soil’s saturation level—ranging from 0% (completely dry) to 100% (fully saturated)—via a serial connection to a computer or other device for further processing.
What Are Its Key Features or Benefits?
Factory Calibrated
The sensor is calibrated at time of production, so no user calibration is required. Just bury the sensor and start receiving pre-calibrated moisture saturation (and temperature) data over USB.
Zero Exposed Metal
No metal parts to corrode as with other technologies that depend on galvanic contact with the soil.
Not Affected by Soil Type
Use it in mulch, sand, clay...It makes no difference
Close Contact with Soil Not Required
Other technologies, like those that utilize electric fields, depend on close soil contact with little to no air gaps or variation in material in proximity to the electrode. With this sensor, if water can reach the membrane wings, it will be measured.
Roots -Eye-View
The sensor provides a good representation of plant-available water, providing a true "roots-eye-view" of the water saturation profile..
You Decide What Depth You Want to Monitor
The sensor can be buried to a particular depth of interest, while other designs are limited by the ground penetration of their electrodes from the surface.
Technology Demonstrator v1.0
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