The CTH-80 Concrete Test Hammer is a high-quality and precision instrument designed for testing the strength of concrete structures. With a test range of 10-70 MPa and an impact energy of 2.207 J (0.225 Kgf.m), this test hammer delivers reliable and accurate results in concrete strength assessment. Its durable construction, including a 25 mm±1 mm radius spherical tip, ensures longevity and reliability in testing applications. The test hammer is equipped with easy calibration features, with a calibration value on the test anvil of 80±2, allowing users to calibrate and adjust the tool as needed for precise measurements. With a user-friendly design, including a length of spring stretch of 75 ± 0.3 mm and friction specifications for slider and pointer slider, the CTH-80 offers ease of use and accurate readings for concrete testing professionals.