Dynamic Elastic Modulus and Damping Analyzer
Published: 7/25/2016
The analyzer measures dynamic elastic modulus and damping using resonance frequency method suitable for concrete testing. It is widely used in civil engineering and material science for assessing concrete and non-metal materials under various environmental conditions.
Product Description
This dynamic analyzer is designed to measure the dynamic elastic modulus and damping of concrete and other materials conforming to standards ASTM C-215 and C-666, and aligns with SL352-2006 for hydraulic concrete testing. It offers computer connectivity for fully automated test analysis, allowing it to be used across sectors such as light industry, metallurgy, construction, and infrastructure.
The operating principle involves striking the specimen and measuring its resonance frequency using an accelerometer sensor, with the generated spectrum stored and displayed on a computer. The device simplifies frequency scanning by automatically calculating maximum amplitude and frequency, displayed in real-time. Featuring quick Fourier transform for resonance frequency identification, this method ensures repeatable and reliable results on fewer test specimens.
Technical Specifications
| Parameter | Specification |
|---|---|
| Frequency Range | 10Hz~20kHz |
| Measurement Accuracy | <0.5% |
| Frequency Resolution | 1Hz |
| Sampling Range | 10, 20, 40, or 80kHz |
| Spectrum Resolution | 4.9~78.1Hz |
| Offset Output Level | 9.2V |
| Accelerometer Sensitivity | 9.60mV/g (0.979mV/m/s2) |
| Specimen Size | 150×150×400 mm |
| Temperature Range | Room Temperature to -40°C |
| Elastic Modulus Measurement | Width corresponding to the frequency |
| Resolution | 0.05GPa |
| Precision | 0.1 GPa |
| System Relative Error | <±0.15% |
| Damping Or Internal Friction | 10-5 to 0.1 |
| Maximum Excitation Force | 20N |
| Capability To Measure | Shear modulus, Poisson's ratio |
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B6-101, Zhongnan High-Tech Intelligent Manufacturing Industrial Park, No. 10 Shuangma Street, Yuetang District, Xiangtan City, Hunan Province, China
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