Aggregate & Rock Testing Equipments

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Product Description The Rock Schmidt Hammer is used for rock classification tests, offering a simple and user-friendly method akin to its application in concrete testing. Operating on the principle of rebound, it measures the impact energy generated by a 0.074 kg-m percussion on the surface of a ro ...Read more

Rock Schmidt Rebound Hammer
NL 1033 X / 001


  • Description

Product Description

The Rock Schmidt Hammer is used for rock classification tests, offering a simple and user-friendly method akin to its application in concrete testing. Operating on the principle of rebound, it measures the impact energy generated by a 0.074 kg-m percussion on the surface of a rock specimen. The rebound index, indicative of the hardness or compressive strength of the rock, is determined by averaging several measurements taken perpendicular to the longitudinal axis of the specimen. This method allows for quick and non-destructive assessment of rock strength, particularly beneficial when obtaining core samples or conducting traditional laboratory tests is impractical or costly.

Standard

ASTM D5873 is a standard test method for determining rock hardness using the rebound hammer technique. It outlines procedures for assessing the surface hardness of rock materials, providing guidelines for test setup, calibration, and result interpretation.

Technical Specifications:

 Model Number  NL 1033 X / 001
 Approx. Weight  0.75 kg
 Dimension of Case  350 (L) x 85 (W) x 85 (H) mm  
 Level of Impact Energy    0.074 kg-m

Applications:

  1. Assessing compressive strength of concrete and rock.
  2. Concrete quality control in construction projects.
  3. Geological investigations for rock classification.
  4. Monitoring rock mass stability over time.
  5. Research and development in material science.
  6. Forensic analysis of structural failures.

Features

  1. Percussion mechanism for controlled impact.
  2. Fixed impact energy level for consistency.
  3. Immediate feedback display of rebound values.
  4. User-friendly trigger for easy activation.
  5. Ergonomic design for comfortable use.
  6. Robust construction for durability.
  7. Calibration adjustments for accuracy.
  8. Portable and battery-powered for convenience.

Included Items

  • Rock Test Hammer NL Scientific
  • Carrying bag
  • Carborundum stone
  • Certificate

Optional Accessories

  • Rock Cradle 
    A rock cradle is a supportive structure used to hold rock specimens securely in place during testing or analysis. It typically consists of a sturdy frame with adjustable components to accommodate different sizes and shapes of rock samples. The cradle ensures stability and safety during handling and testing procedures, allowing for accurate and reliable results.
 

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