The Charpy/Izod Notch Verification Projector System – NG-NPS-CIS is engineered to meet the stringent requirements of the GB/T 229-2007 standard, which governs the Charpy impact testing method for metallic materials in China. This standard emphasizes the precise measurement and conformity of U-type and V-type notches in test specimens, as these notches are critical to accurate impact resistance data.

The NG-NPS-CIS system achieves this by using optical projection technology to magnify the notch profiles and project them onto a screen. This process allows operators to compare the projected notch images against a standard reference map, to verify that the notches are within the acceptable dimensional tolerances specified by GB/T 229-2007. By confirming that the notches adhere to these precise requirements, the system ensures that the impact test results are both accurate and reliable, maintaining the integrity of the testing process according to this national standard.

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