Testing Anvil for Rebound Hammer Calibration

 Description
The GZII, GZIII, and GZIV Testing Anvils are professional calibration devices used to verify and maintain the accuracy of concrete rebound hammers. These anvils are essential accessories for non-destructive testing (NDT) of concrete structures and comply with standard calibration requirements. Constructed from premium-grade hardened steel with a durable surface finish, the testing anvils provide stable and repeatable calibration results. Their innovative guide cylinder design automatically guides the rebound hammer during testing, eliminating manual adjustments and improving efficiency. Ideal for construction companies, laboratories, consultants, inspection agencies, and quality control departments involved in concrete strength testing and structural assessment.

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Specifications

Models Available

• GZII Testing Anvil
• GZIII Testing Anvil
• GZIV Testing Anvil

Weight

• GZII: 1.8 kg
• GZIII: 2.4 kg
• GZIV: 1.0 kg

Material

• High-quality hardened steel
• Tool-grade steel construction
• Environmentally friendly coated surface

Features

• Designed for rebound hammer calibration
• Automatic guidance system
• Durable and stable construction
• High hardness steel core (HRC 58–62)
• Precision-machined calibration surface
• Lightweight modular guide cylinder design
• No manual adjustment required during calibration
• Long service life and reliable performance

Calibration Values

• GZII: Average calibration value (R) = 78–82
• GZIII: Average calibration value (R) = 58–62
• GZIV: Average calibration value (R) = 38–43

Applications

• Rebound Hammer Verification
• Schmidt Hammer Calibration
• Concrete Strength Testing
• Quality Control Laboratories
• Construction Site Testing
• Engineering Inspection
• NDT Equipment Calibration
• Civil Engineering Projects