... level among the products of the same kind in China. After equipped up a camera device, the tester ... , 4.903, 9.807, 19.61, 24.52, 29.42, 49.032.942, 4.903, 9.807, 19 ... .61, 24.52, 29.42, 49.03, 98.074.903, 9.807, 19 ... .03, 98.07, 196.1, 294.29.807, 19.61, 24.52, 29.42, 49.03, 98.07, 196. ... screen Vickers Hardness Tester MHV-5/10/30/50 for Glass, ceramics, agate China Vickers Hardness Tester