[Calibration Certificated] CGOLDENWALL Concrete Rebound Hammer Tester is within the scope of 1450.38psi-8702.26psi（10-60Mpa）ZC3-A with English Label and Calibration Certificated. Note: 1MPa=145psi
[International Standards] It complies with international standards ASTM C805, ASTM D5873, EN 12504-2, EN 13791, JGJ/T 23, JIS A 1155.
[Wide Application] Our Concrete Rebound Hammer Tester can be used in many environments, such as testing buildings, bridges, highway testing and testing units.
[Durable and Precise] The whole body is made of stainless steel, which does not rust; the shell has high elasticity and wear resistance. The friction between the pointer shaft and the pointer slider is even and the index is accurate.
[Complete Package] 1PCS x Type N Concrete Rebound Hammer, 1PCS x Millstone, 1PCS x Flip extension spring, 1PCS x Buffer spring, 1PCS x Screwdriver, 1PCS x Manual and certificate.