... according to customers requirement. They are essential testing instrument for quality testing section, university and college, research institution and ... min -500 mm/min, stepless speed regulation6. Precision of testing forceerror less than ±17. Precision of displacement: 0.01mm8 ... , 2KN, 5KN);8. Single chip controller;9. One set of tension, compression grip;Characteristicsa. Adopts Chinese DC servo ...