Main Functions: JBW-300 computer control impact testing machine is ideal testing equipment , it is used to measure the metal material to resist impact loads under the dynamic properties. It can meet GB/T229-2007 <<metal Charpy notched impact test method>>, JJG 145-2007<<pendulum impact testing machine test procedures>>, ASTME23<<metal notched specimen standard impact test method>> requirements. This machine can automatically control for taking pendulum, impact and put off pendulum. And dual- display mode. ( dial display mode and computer display mode) Technical specifications: Specification JBW-300 Impact energy 300J 150J Impact velocity 5.2 m/s Raising angle…