Concrete Rebound Hammer Tester

Characteristics: chinacoal051: Portable design, light to take.2, Raster sensor and display instrument no contact, no friction, so as to prolong the service life;3, Special color screen display, automatic record test time date;4, &keyword$ Equipped with different curves, can set freely.5, Angles, test face, pump, carbide and other parameters can be set in a scene;6, Voice enroll function, noisy environment can also be with headphones listening;7, Optional miniature printer to