The centre guide bar is made of materials with high precision
Housing made of duralumin
The pointer slider adopts external spring coil structure, which is not only convenient for friction adjustment, but also can make the friction between the pointer shaft and the pointer slider uniform.
Suitable for testing the strength of high-rise building components, bridges and such components (plates, beams, columns, bridges).
Conforms to JJG817-2011 "rebound tester" test specification and JGJ/T23-2011 technical specification.
