JBW-300B Computer Control Charpy Impact Testing Machine 1.Application: JBW-300B Computer Control Semi-automatic Charpy Impact Testing Machine are mainly used to determine the anti-impact capability of metal materials under dynamic load. Vervult de nul clearing en automatische terugkeer, het vastleggen van de waarde van verloren slagenergie en slingercyclus door middel van instellen met computerprogramma,and the results …