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Typical Granier Sap Flow Sensor with two needles. For trees with a diameters >2 cm.Sap flow sensors are used to continuously measure water uptake in trees and woody plants.The SF-G range corresponds to the classic two-needle model developed in 1985 by André Granier.It requires use of the CCS to feed the current.
Complete integrated system for Sap Flow Measurement on trees.Up to 3 x two-needle sensors for measuring up to 3 trees.
Improved Granier Sap Flow Sensor with four needles and a much higher accuracy. For trees diameter >15 cm. It requires use of the CCS to feed the current.
Accessories included: - Nitrate Meter NO3-11 (ref. 3200689162)- 14 ml calibration solutions (300 ppm and 5000 ppm)- Batteries CR2032 (x 2)- Manual- 5 pipettes- Bottle of cleaning solution (250 ml)- Crop sample press (to squeeze sap)- 3 cups- Fast guide- Transport case.
The DL18 is a battery powered, weather proof, 4- channel data logger. It runs on an internal battery more than one year. It is suitable for long-term monitoring tree growth.
Mini-Systems with Data Logger DL18-BLE