.. finally, an alternative!
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Leaf Sensor Rev3
New Improved - Calibrated real-time leaf sensor that measures water levels of live plants for aeroponics, hydroponics and drip irrigation systems.
Easy to Use: Simply affix the Leaf Sensor to a healthy plant leaf and begin monitoring the indirect measurement of leaf turgidity (moisture level) using a standard digital multimeter and external battery (not included).
Applications (partial list): Plant Sciences / Irrigation Control / Water Management / Weather Stations / Research / Education /Agronomy Consultants
Benefits: Measure leaf moisture levels (leaf thickness) and sap flow in real time - know when to water
Leaf Sensor™ Rev3
Leaf Sensor Digital Meter -
Special Offer: $79.99 BUY
When to Water: Temperature vs Leaf Sensor (top)
$260.99 (Buy 5 or more and save BIG)