▶The PC controlled stress relaxation testing machine is used for tensile stress relaxation test of prestressed steel wire, steel strand, PC steel bar and metal materials. The period of stress relaxation test is >1000h.

▶The horizontal four-column, high stability load rack

▶It has many control modes, such as load auto-hold, cycle control and self-programming control

▶High Precision Force Transducer

▶High efficiency, low vibration AC servo motor and drive system

▶Multiple protection functions: overload, overcurrent and overvoltage protection