. Application of the device the Application of The Equipment :

Test laptop computer, e-book, learning machine cover open and close many times, the rotation shaft torque decline situation, can record the rotation shaft torque value of each measurement and record the curve change and draw the torque attenuation life curve. Used for testing the notebook computer, e-books, learning and other products covered in multiple opens, closes, the shaft torsion decline, it can record every test shaft torque value and records the change curve and drawing torque attenuation life curve .