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SC-1 Leaf Porometer Support
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Read the SC-1 Leaf Porometer FAQs

Can the SC-1 be used with needles/thin leaves?

When measuring small needles or leaves, they should be inserted into the sensor as shown below. This is because single needles or small leaves (including blades of grass) may not adequately cover the aperture of the sensor.

For an accurate measurement it is critical that the entire cross sectional area of the diffusion path be covered with leaf material. Sometimes it is necessary to remove the leaves/needles from the plant in order to arrange them over the opening in the diffusion path. This results in an accurate measurement as long as the measurement is completed within two minutes of leaf/needle removal, because the stomatal aperture should remain unchanged for at least that long after disturbance.

Please note that needles with a square or triangular cross-section and lots of sclerenchyma may not work with the SC-1 because they will prevent a good seal with the chamber. Needles of the genus Picea are a good example of needles for which the SC-1 is not well suited, while the flat, pliant needles common to Abies work quite well.

 

Related software downloads

SC-1 Leaf Porometer Manual Manual PDF, 2.9MB
SC-1 Leaf Porometer Quick Start Quickstart Guide PDF, 1.3MB
SC-1 Leaf Porometer Utility Installer Installer EXE, 7.2MB
Video: SC-1 Calibration Instructions URL, 0MB
SC-1 Firmware Updater for Instrument with Desiccant Chamber Firmware EXE, 1.4MB
SC-1 Leaf Porometer Firmware Updater for Instrument without Desiccant Chamber Firmware EXE, 1.39MB
Video: SC-1 Leaf Porometer Repair and Maintenance Instructions URL, 0MB
SC-1 Sensor Head Replacement Instructions Instructions PDF, 0.47MB
Stomatal Conductance Converter Calculator/Converter XLSX, 0MB
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