SATEC series 300 LX, featuring an Automatic Extensometer and Pneumatic Grips, and 3300 series testers.
SATEC系列300 LX兼有自动伸长计和气动握紧，及3300系列试验器的特点。
2
The linearity of a large range extensometer is a critical problem, because its elastic'element is under large deformation.
大量程引伸计的弹性元件处于大变形工作状态，引伸计的非线性矛盾较突出。
3
In design of large range extensometer whose range is 100% strain, according to theory formulas and factual technics, using MATLAB to optimize the structure and size.