Schmidt Concrete Hammer

Schmidt Concrete Hammer (Schmidt Hammer) Model RH225-A

High-Accuracy Estimation of Concrete Compressive Strength for Laboratory and On-Site Testing

Introduction to the RH225-A Schmidt Concrete Hammer

The Concrete Test Hammer RH225-A is a key non-destructive testing (NDT) instrument used to estimate the compressive strength of concrete structures. With precise mechanical design and high manufacturing quality, this device enables fast, accurate, and reliable testing for construction projects, concrete quality control, and structural assessment.

This concrete hammer, also known as a Schmidt Hammer or Rebound Hammer, is widely used to evaluate the strength of normal concrete in construction and infrastructure projects.

Applications of the RH225-A Concrete Test Hammer

• Estimation of compressive strength in concrete structures

• Use in construction projects, bridges, tunnels, roads, and buildings

• On-site concrete quality control

• Application in research laboratories and periodic structural inspections

• Rapid concrete strength assessment without coring, crushing, or damaging the structure

Key Features

The RH225-A Schmidt Concrete Hammer is designed with precision components and high-quality materials, offering the following features:

• High durability and long service life with a hardened aluminum alloy housing

• Ergonomic design for comfortable and fatigue-free operation

• Adjustable pointer friction for improved measurement accuracy

• Imported springs with high fatigue resistance

• Consistent and reliable results with standard impact energy

• Dust-resistant components and smooth internal movement for extended durability

Technical Specifications of the RH225-A

The Concrete Test Hammer RH225-A meets the following standard technical specifications:

• Standard impact energy: 2.207 J

• Pointer length: 20.0 ± 0.2 mm

• Pointer friction: 0.65 ± 0.15 N

• Spherical radius of rebound rod: 25 ± 1.0 mm

• Tension spring stiffness: 785 ± 30 N/m

• Designed for measuring concrete compressive strength in the range of approximately 10 to 70 MPa (N/mm²)

Advantages of the RH225-A Schmidt Concrete Hammer

• Fast and non-destructive estimation of concrete strength without sampling

• Robust and reliable design suitable for both laboratory and field use

• Ideal for quality control engineers, civil engineers, and site inspectors

• Repeatable and standardized results for improved decision-making in quality control and structural maintenance

• Easy operation with minimal training required

Conclusion

The Concrete Test Hammer RH225-A is a reliable and standardized tool for estimating the compressive strength of concrete in construction and quality control applications. With its durable design, accurate results, and user-friendly operation, it is an ideal choice for structural engineers, laboratory professionals, and project inspectors.