Drive in the spike of the transducers into the tree you want to test
using the sliding hammer. Spike need to penetrate through the bark
and stabilize the transducer in the wood material. Please apply 45
degree as spike and fiber angle. See figure 2. Please do not bend the
tip while inserting (straight in and avoid the knots) and extracting
(straight and completely out) the probes.
Figure 2. Driving the start (left) and stop (right) transducers into the
tree using sliding hammer
Instead of on/off switch
There is no on/off switch on the unit. For switching on please hit the
start transducer, apply a relative strong hit by hammer. Hitting
direction is always the axes of the transducer. The firs reading is
“9999” means that the switching on procedure is successful. The
next hit will show the real transit time in microseconds. The unit
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