mechanical rebound hammer is the product of direct experimentation on different types of concrete. Used appropriately and following the correct procedures, this is a valuable instrument for testing and evaluating the quality of concrete, ensuring totally reliable results.
|test range:||10~60 Mpa|
|impact energy:||2.207J (0.225kgf.m)|
|friction of slider:||0.5~0.8N|
|spherical radius of impact pole:||25+/-1mm|
|calibration value on test anvil:||80+/-2|