Sapflow-Sensor SF-L Type M, according to Dr. Liu with 4 single-sensors, one of the heated. With 70cm PUR-cable, 6-core and 7 pin-Hirschmann-connector for elongation cables. Sensor to be connected to CCS-3 (84mA constant-current source in special housing). L=33mm, H=20mm, includes 4x aluminium-tubes.