1. The Electrical strain gauge is widespread used in mechanics experiment for material, industry or science.

2. The application principle of strain gauge is Wheatstone bridge.

3. The Electrical strain gauge can measure the strain for only one direction, usually, the principal strain can be calculate from the strain for three directions. Then the distribution of stresscan be descried

4. The Electrical strain gauge is tiny. Its sensitive grid is 10*2mm and its base is 14.5*4.5mm

5. The Electrical strain gauge contains insulated terminal and wire for 20cm itself

6. The Electrical strain gauge can match up any deform for static or dynamic state

7. Its resistance is 120 Ohm and the coefficient of sensitivityis 2.08