Tape Extensometer

For the measurement of surface movement.

A portable device designed to measure the relative distance between reference anchors fixed to an excavation or structure.
Used for the measurement of deformation of excavations; Radial movements and convergence of tunnels, shafts, linings and caverns; Displacement of retaining walls, cuttings, bridge piers arches and abutments; Surface measurement of slope stability.

Features:

	Rapid one-man operation
	Applicable in any orientation
	Rugged, simple design
	High accuracy and reliability
	Supplied with robust carrying case
	Digital and manual versions