Picus Sonic Tomograph - In house
This clever piece of equipment can ‘map’ internal decay in trees by measuring the velocity of sound waves passing through the tree – the greater the decay, the slower the waves travel. A number of sensors are attached to the trunk at regular intervals and pick up the sound waves produced by tapping at one location at a time in sequence. A computer then assimilates the data to produce a two dimensional image. One of the major advantages of this equipment is that it avoids the need to drill into a tree, which can in itself result in damage.
Images are Copyright Argus Electronic
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