Sap Flow Meter Model SFM 1:
» HRM Sap Flow Meter is a self contained, stand alone instrument for the measurement of sap flow or transpiration in plants.
» Utilising the Heat Ratio Method (HRM) principle the Sap Flow Meter is able to measure both high and low flow rates in both small woody stems, roots & large trees.
» Like the Heat Field Deformation (HFD) principle the HRM Sap Flow Meter is the only instrument that can measure zero flow and reverse sap flow rates. Making it the most powerful and flexible instrument for the direct measurement of plant water use.
» This enables water flows to be monitored in stems and roots of a wide range of different species, sizes and environmental conditions including, drought or water stress.

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