Impact specimen notch projector CST-50

This projector is a special optical instrument designed and developed to accurately check the quality of V- or U-shaped notch processing of impact specimens. The processed sample notch is enlarged by 50 times and projected onto the observation screen, and compared with the standard diagram engraved on the observation screen, you can quickly determine whether the detected impact sample notch is processed for qualified processing; the comparison is intuitive, simple to operate, and high efficiency. It is a necessary special equipment for the physical and chemical laboratory.