The Single Point
Rod Extensometer is an inexpensive, simple, rugged, and reliable device
to monitor deformation in under ground
workings.
The Double Point Extensometer incorporates the use of two points which
allows the engineer to distinguish between dangerous deep seated movements
and
more
trivial
surficial
spalling
To view complete product specifications on the Rod Extensometer Single-Double
Point click on the "View PDF" button below.