... ,Widely used in the stretchablity test for various materials, make experimental data ... This series of e-Rally test machine, widely used in the stretchablity test for various metals, non-metallic ... long life. *LCD can display the real-time test of the peak, displacement, velocity, the pilot ... 10/20/50/100Measuring range The biggest test of the 4% - 100% Of the value of precision Superior indication ...