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Original Schmidt -Scléromètre à béton

The quality of concrete is mainly judged by its compressive strength directly affecting the load-bearing capacity and durability of concrete structures. Proceq invented the Original Schmidt, the world’s first and now most widely used test hammer for analyzing the compressive strength of concrete properties. The Original Schmidt will hit the concrete at a […]

  • SKU : G-896-34010000
  • Fabricant : Proceq
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The quality of concrete is mainly judged by its compressive strength directly affecting the load-bearing capacity and durability of concrete structures. Proceq invented the Original Schmidt, the world’s first and now most widely used test hammer for analyzing the compressive strength of concrete properties.


The Original Schmidt will hit the concrete at a defined energy whereas its rebound is dependent on the hardness of the concrete and is measured by the instrument. The Original Schmidt is available in models with different impact energies, each test hammer designed for a specific test application, in order to meet the needs of the customers to investigate a wide range of material types and sizes, such as bridge decks, thin walls, cast stone components or small components.


 


Features


  • Type N: Rebound values are read from a scale for subsequent calculation of the mean. Compressive strength values  can be read from a conversion diagram

  • Type NR: Rebound values are recorded as a bar chart on a paper strip which has a capacity for 4’000 test impacts

  • Type L: Handling equals type N, but the type L offers an impact energy three times smaller

  • Type LR: Handling equals type NR, but with impact energy three times smaller. The LR also features a paper strip enabling up to 4’000 test impacts without reloading


Standards


  • ASTM C 805

  • ASTM D 5873(Rock)


Applications


  • The Original Schmidt is used for the non-destructive measurement of the concrete/mortar compressive strength characteristics

  • Control of uniform concrete quality

  • Detection of weak spots in the concrete

  • The type L/LR Original Schmidt operates with significant lower impact energy, making this test hammer the ideal option for testing thin walled items with a thickness between 50 to 100 mm (2 in. and 4 in.) or for analyzing small components.

  • It is suitable for examining cast stone components which are sensitive to impact. In rock mechanics, the type L/LR Original Schmidt is commonly used for the classification of rock cores and brittle rock


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