The centre guide bar is made of materials with high precision;
The housing is made of duralumin;
Pointer slider adopts external reed coil structure, which is convenient for both friction adjustment and uniformity of friction between the pointer shaft and the pointer slider.
This product is suitable for testing the strength of high-rise building components, bridges and such components (slabs, beams, columns, bridges), usually applicable to C50-C100 concrete.
Conforms to JJG817-2011 "rebound tester" test specification and JGJ/T294-2013 technical specification.
