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 and Digital Meter pak for leaf sensor voltage readings - no external battery required. Special cable connects directly to a leaf sensor. Ready use. Includes Leaf Sensor, Digital Meter and cable & CD-ROM