The swiss hammer is made of stainless steel, with a test strength range of 10-60 MPa. The concrete rebound hammer is a versatile tool suitable for testing a wide range of concrete structures, including bridges, buildings, pavements, and tunnels.
High-strength rebound hammer tester
Flexible spring design
Rebound hammers find extensive applications in the construction and engineering industries for evaluating the quality, strength, and integrity of concrete structures. Some of the key applications include building inspection, project acceptance, cement plant inspection and highway bridge inspection.
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Model | SISCO-RH-ZC3-A |
Strength measurement range | 10-60 MPa |
Nominal Energy | 2.207J |
Spring Stiffness | 785±40N/m |
Working Length of Tension Spring | 61.5mm |
Stroke of the Hammer | 75mm |
Maximum Friction of Pointer System | 0.5N~0.8N |
Anvil Rate Rebound Gauge | 80±2 |
Operating Temperature | -10°C to +40°C |
Weight | 3kg |
Q1: How accurate are rebound hammer tests?
A1: Rebound hammer tests provide a quick and convenient way to assess the relative hardness or strength of concrete. However, the accuracy of the test results can be affected by various factors such as surface roughness, moisture content, and the presence of aggregates. It is essential to follow standardized testing procedures and interpret the results cautiously.
Q2: Is calibration necessary for rebound hammers?
A2: Yes, regular calibration of rebound hammers is essential to ensure the accuracy and reliability of test results. Calibration should be performed according to manufacturer guidelines or industry standards to maintain the instrument's performance over time.
Q3: Can rebound hammer testing be performed on all types of concrete?
A3: Rebound hammer testing is suitable for assessing the hardness or strength of most types of concrete, including normal concrete, lightweight concrete, and high-strength concrete. However, special considerations may be required for highly porous or heavily reinforced concrete structures.
Tips: How to use a rebound hammer properly?
To obtain accurate test results, it is crucial to follow standardized procedures for rebound hammer testing. This includes preparing the concrete surface, ensuring proper alignment and contact with the hammer, and taking multiple readings at different locations to account for variability.
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SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.