Vertex

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Vertex III (right), transponder (middle) and 360° adapter (left)

Vertex III (right), Transponder fixed at a tree)

Vertex III (right), Vertex III

Vertex III (right), Measuring tree height

The Vertex clinometer is a device to measure distances based on ultrasonic sound and angles. It enables to directly measure tree height based on the trigonometric principle. For the measurement of distances a transponder is needed that is fixed at the tree and is an active component that submits a signal back to the Vertex. To determine the horizontal distance to the tree the transponder has to be fixed at a certain height (default 1,3 meter) that is defined in the settings menu.

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• Haglöf Sweden