CGOLDENWALL Concrete Rebound Hammer Tester Resiliometer Test Meter Tool within the Scope of 10 60Mpa ZC3 A with English Label and Calibration Certificate

[Calibration Certificated] - CGOLDENWALL ZC3-A Concrete Rebound Hammer Tester is in accordance with technical regulation of JGJ/T23-2001 and JJG817-93 with Calibration Certification.And all rebound hammers are produced under the supervision of institutions that put forward the technical method of"Technical specification for testing concrete compressive strength by rebound method JGJ/T23-2001". [Accurate Measurement] - The pointer shaft is smooth, making the friction between the pointer shaft and the pointer slider is even. And with a English clear label, the index measurement will be more accurate and convenient to read. [Fine Craft] - Hammer shell is made of stainless steel, with special treatment and has high hardness. Long-term use of non-draw traces in raw materials processing technology. High elasticity with average measurement. [Product Parameters] - Friction of pointer: 0.65±0.15(N); Standard energy: 2.207J; Sphere semidiameter at the end of the flip rod: 25±1.0(mm); Rigidity of flip tensioned spring: 785.0±40.0(N/m); Location of flip hammer's hook release: "100" at the scale mark; Work length of flip tensioned spring: 61.5.0±0.3(mm); Strike length of flip hammer: 75±0.3; Hop location of the flip hammer: "0" at the graduated scale. [Complete Package] - 1PCS x Concrete Rebound Hammer;1PCS x Millstone;1PCS x Flip extension spring;1PCS x Buffer spring;1PCS x Screwdriver;1PCS x Manual