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Campbell Scientific Sentek EnviroSCAN Access Tube Installation Guide User Manual

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Installing EnviroSCAN, EnviroSM ART & Diviner 2000 access tubes

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The figure below shows preferential flow of water down the side of the access tube, where the wetting front
moves to the bottom sensor almost instantaneously.














The movement of wetting front should match the hydraulic properties of the soil, such as shown in the
example below.