Resonance Test Gauge (RTG-1)
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The Resonance Test Gauge [RTG-1] system is typically used to measure the dynamic Young’s modulus (E), shear modulus (G) and Poisson’s ratio (ν) of asphalt, concrete, rock, masonry, carbon and other cylinder, beam, and core-shaped specimens. This system meets the ASTM C215 standard for resonance testing of concrete for dynamic properties and freeze-thaw durability testing (ASTM C666). A sample spreadsheet [+] for all moduli calculations for longitudinal, flexural and torsional tests is included in this package.
The Resonance Test Gauge must be used with a Windows 7-10 device running Olson Instruments' RTG software. The computer or tablet is supplied by the user.
NOTE: Resonance testing is also available as an add-on for the NDE 360 platform.
Materials Tested:
- Asphalt
- Carbon & Graphite
- Ceramics
- Concrete
- Masonry
- Stone
- Rock
Test For:
- Poisson’s ratio
- Shear Modulus
- Young’s Modulus
ASTM Standards:
- C215
- C666
Key Features
| Accurate results in seconds! | Olson's RTG software for data acquisition and analysis |
| Learning curve: less than 10 minutes | Switch between English and Metric units |
| Quick & Easy Set Up: uses sponge rubber mat instead of metal test frame (per ASTM C215) | Full user selection of gains and units |
| Real-time waveform display while testing | Receiver: 1 accelerometer, 10 mV/g |
| Automatic file naming feature | USB powered RTG device with built-in phone plug and BNC connection |
| Automatic frequency calculation | Impact Source: 2 oz. ballpeen hammer |
Specifications
| Sampling Rate: 45,455 samples/second | Accelerometer Flat Frequency Response Measurement Range: 20,000 Hz |
| Number of Samples Acquired Per Test: 1024 samples | Nyquist Frequency: 22,727 Hz |
| Frequency Resolution: 44.39 Hz | ASTM C215 Minimum Required Frequency: 20,000 Hz |
Hands-on training is available for all of our NDE test methods at our Wheat Ridge, Colorado (USA) location, which is a suburb located approximately 15 minutes northwest of downtown Denver. Training may be available at your location by one of our agents/engineers upon special arrangement.