Revision as of 22:59, 13 June 2012

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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

General descripition

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.

The vertex clinometer allows to measure heights from variable distances to the target. The measurement results can be stored at the display to note them later down. When distances in a centre plot have to be measured, the 360° adapter can be placed at the centre point and the distances can directly be measured.

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  Life view: measurement of transponder

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  Life view: tree bottom

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  Life view: tree crown

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  Display

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  Installation of transponder at a plot centre

Applications

• Height measurement
• Distance to tree
• Measuring slope

Related articles

• The trigonometric principle
• Bitterlich sampling

Web Links

• Haglöf Sweden