ASTM F 963-16 초기 길이와 탄력 상수를 위한 YO YO 볼 테스터

다른 비디오
April 09, 2025
Video Description:
Discover the ASTM F 963-16 YO YO Ball Tester, designed to measure initial length and elastic constant with precision. This tester features a rotating spindle at 80r/min, ensuring accurate elongation length calculations. Ideal for compliance with ASTM F963 standards.