CST-50 Type Impact Specimen Gap Projector, based on the practical requirement of the
domestic customers and according to the demand of impact specimen gap in GB/T229-2007 is the special equipment which checks the Charpy V – type and U - type gaps. The instrument magnifies impact specimen gap's outline and projects it onto screen to compare with standard sample
drawing of the impact specimen Vtype or Utype gaps. This helps to examine whether the tested impact specimen gap is qualified or not.
