Duban DB20-SRT231 Sand blasting shot peening Surface Roughness Tester

Sand blasting shot peening Roughness Gauge DB20-SRT231 integrated design, in accordance with ASTM D4417 Method C and NACERP0287-95 test method, can directly measure the height of the peak and valley of the surface, suitable for: shot peening sand blasting industry, printing industry, lame plating anti-corrosion industry, etc