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To cover the needs of high elongation elastometric samples testing, United offers the High Elongation Extensometer. Mounted on the load frame column cover via two articulating arms, the extensometer can be moved up or down, or swung completely out of the way during non-use periods. Along with a resolution of 0.005", accuracy of ±0.01" or 0.5%, whichever is greater, and a usable range of 20 inches, the extensometer also features quick release adjustable clamps easily changed from 1 to 2-inch gage lengths, and a unique air dampening counterbalance system. Designed for use in a room temperature environment, the extensometer can be used in conjunction with any of a varietyof strain measuring recording instrumentation.