The impact meter measures according to the Schmidt principle. In addition to its basic use in the construction sector, the easy-to-use impact meter is also used in other sectors such as coil hardness testing, etc.
The test is always performed with the same impact energy of 0.735 J. The initial bounce kinetic energy is given in the impact meter as a measure of the hardness of the concrete, the pressure on the surface or the resistance to pressure (kg/cm2 or its conversion to N/
Pressure resistance is represented by a series of numbers and letters. For example: B 25 means that it is a normal concrete with a pressure resistance of 25 N/mm2. There are different values until it reaches the upper resistance class B 55. With our impactometer you can classify the

- The device is robust.
- Conversion table on the back
- Long service life
- Impact energy of 0,735 J
- Instructions include correctional aid
- Reduced weight

Pressure resistance is generally defined as the measurement of rupture resistance when applying a pressure load on an axis for a short period of time.
- Resistance of the cement block
- Composition and compaction of concrete
- Time and storage conditions
- Size and shape of the checking element
- Type and duration of load

Pressure resistance is normally determined in a laboratory in concrete cubes or in circular straight cylinders. In the case of cylinders, once the remaining concrete is removed, it is recommended to immediately establish an adjustment layer that will be often necessary to obtain a smooth and flat pressure

Since in practice it is not possible to test with laboratory methods, the impact meter is used, which is easy to handle and provides considerable precision. The degree of hardness is obtained by measuring hardness with the rebound body (rebound value R) on the concrete surface and with the help of