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Long-stroke extensometer - 28.35 in | 100R
The Model 100R, manufactured by Tinius Olsen, is a high-elongation extensometer that is made to measure the stretch of a broad range of materials. Alteration of the initial measuring length and gauge length is possible to fit the size of the specimen or the test standard that is being applied. The unit has a unique layout guaranteeing the low tracking force to test sensitive materials combined with robustness to resist the high release forces and breaking energies with certain specimens. The layout also integrates a simple procedure that permits fast testing throughput.
Extension is measured by attaching two counterbalanced extensometer clamps to the specimen at a pre-selected gauge length. The small changes in gauge length are measured by an optical encoder in case the tensile forces are applied to the specimen by the testing unit.