EN 12390-1 and EN 12390-3 are both European standards related to concrete testing, but they focus on different aspects of the process. EN 12390-1 concerns the preparation and physical properties of concrete test specimens, such as their shape, dimensions, and overall integrity. This standard guarantees specimen consistency.

On the other hand, EN 12390-3 focuses specifically on the method for determining the compressive strength of these prepared concrete specimens. It outlines the procedures for applying compressive force to the specimens and measuring their strength, a critical factor in assessing concrete quality and durability.

The Semi-Automatic Core Grinding Machine – NG-CoreGrind 1000 is crucial to complying with both standards. It helps meet EN 12390-1 requirements by precisely grinding concrete specimen surfaces to make sure they are flat and correctly shaped. This preparation is vital for specimens to meet the conditions outlined in EN 12390-3, where accurate compressive strength testing is performed. Thus, while EN 12390-1 makes sure the specimens are properly prepared, EN 12390-3 guarantees they are tested correctly, with the NG-CoreGrind 1000 playing a key role in both stages.

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