AgriHouse's NASA sponsored Leaf Sensor Rev3 for all plants. It knows when to water. Water resistant low power device. Easy to use. Measures plant water levels using a digital multimeter or data logger for precision irrigation control.
Leaf Sensor Wireless Base Stations handles 1 to 20 Remote Nodes - up to 40 leaf sensors! Ethernet gateway offers 24/7 cloud based information. Access sensor data from your computer, Ipad, & Android. Device Cloud Data Service 1st-yr free!