When soil is not available to bury the transducer, you can bolt the transducer
block to a rock or concrete surface. Depending on the anchors available in
your area, an anchor can be placed in the concrete or rock and a threaded
bolt placed through the hole to bolt the transducer block into place. This
procedure will assure no slippage and result in accurate readings of the
vibration levels.
For most vibration levels less than .25 ips (6 mm/s), it is typically adequate to
spike the transducer block in the ground.
Make sure the spikes are pushed into soil enough to provide a good coupling.
As with the other placement methods, the transducer block should not move
when a slight force is applied to it.
When you need to monitor vibration in a landscaped area, spiking may be the
only way to avoid damaging a lawn. It is not always feasible or acceptable to
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