SF-G Ecomatik Sap Flow Sensor: 2 needles



Typical Granier Sap Flow Sensor with two needles. For trees with diameter >2 cm

330,00 €

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The Sensor measures: Sap Flow
Cable Length: 5 meters
Power Supply: 12 V
Sensor for use in: Outdoor

The SF-G (SF-20) SAP Flow Sensor is the typical Granier sensor and consists of two needles.

■ Suitable for tree diameter >2 cm (see available models)
■ Reusable sensor

■ Temperature difference between the needles are superimposed by the vertical variation of Stem temperature (up to + / -2.5 ° C). This leads to unpredictable errors of over 100%.

■ Sap flow at night can not be measured. Due to the temperature overlays the night values are incorrectly set to zero.

Compatible wih Data Loggers:
UX120-006M for up to 4 channels.
H22-001 .

Options / Ordering Information:
■ Cable extension for SF-G (please specify in meters, but max. 20 m)
■ CCS Constant Current Power Supply (one CCS is enough for up to 3 SF-G sensors). Requires constant current source (CCS) for 3 sap flow sensors (SF-L or SF-G or mixed).
■ Installation tools
■ Data Logger

Name Sap Flow Sensor Type SF-G
Needle size Diameter 1.5 mm, Length 33, 43, 63 mm
Cable length 5 m, extendable to 20 m
Suitable for tree size Diameter> 2 cm
Power supply A CCS supplies up to 3 sensors and consumes 1 W (12 V x 84 mA DC, stabilized)
Output 0 µV to 1000 µV DC

Options / Ordering Information:
■ Cable extension (please specify in meters, but max. 20 m)
CCS Constant Current Power Supply (one CCS is enough for up to 3 SF-G sensors)
■ Installation tools
■ Data Logger

■ SF-G 20/33, depth of installation 20-33 mm
■ SF-G 20/43, depth of installation 20-43 mm
■ SF-G 20/63, depth of installation 20-63 mm

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