charpy impact test for welding Specifications JB-300B JBS-300B JBW-300B JB-500B JBS-500B JBW-500B Type Type B Impact energy (J) 150,300 250,500 rychlost nárazu (slečna) 5.2 5.4 5.24 Raised angle 150º Power supply 3phs, 380V, 50Hz/60Hz or Specified by users Dimensions (mm) 2124 X 600 X 1340 2144 X 736 X 1390 Celková hmotnost(KG) 550 750