Automatic Spring Back Tester WHT-III(NEMA standard)
1) The spring back tester is divided into 120 sector parts, representing the degree of resilience in each lap；
2) The fan-shaped part on the rebound instrument dial is drawn from the theoretical center of the relaxation coil；
3) Test range: size below 1.6mm of round wire；
4) Comply with NEMA standard;
5) Springback winding speed: 7±0.5 rpm;
6) Indication deviation≤1°；
7) A full set of stainless steel weights.
