FIELD: investigating strength properties of materials. SUBSTANCE: apparatus has sensors for measuring deformation of specimens disposed between active gripper and passive gripper located under the active one secured in a housing which is provided with a draw rod coupled with the active gripper. The latter is composed of a plurality of links in the form of vertical plates mounted opposite to one another. Each plate has three openings, the upper oval-shaped opening being vertical. The passive gripper is made in the form of pairs of plates with two openings the upper of which has oval shape. The specimens are affixed to the axles which are inserted into the openings of the lower pair are aligned with the lower openings of the upper pair of plates. EFFECT: enhanced efficiency due to increased number of specimens being sequentially and continuously tested. 2 cl, 5 dwg
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