Model HT-225V test hammer, with digital display and voice function, is invented by Tianjin Jewel electronic instrument Co.,Ltd. Tianjin. China. Submit to the standards < Technical Specification of Inspecting Concrete Compressive Strength by Rebound Method > (JGJ/T23-2001) of the People's Republic of China, is a high-tech product especially designed for the needs of in place test for concrete compressive strength, applied to non-destructive testing (NDT) for all kinds of concrete compressive strength component in construct projects..
HT-225V Test Hammers for the quick and easy determination of the strength of concrete, and hardness of construction materials. Digital and voice functions allow greater number of test, leading to better quality tests. It’s a good and useful instrument for quality control and inspection organizations.