Analysis on test results of differential extensometer .
差分式伸缩仪试验结果分析。
Measurement of the lateral strain can be accomplished using a lateral extensometer .
侧向应变可用侧向引伸仪来测量。
The structure , principle of the difference extensometer and the experimental results are introduced .
介绍差分式伸缩仪的基本原理、结构以及实验成果。
Abstract : the one-side electronic extensometer fastened on only one side of tensile specimen cannot eliminate the effect of bend of eccentric tension . The results of measurement of such electronic extensometer are instable and then more errors may be included .
