Customization: | Available |
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Accuracy: | Node Seismic Instrument |
Horizontal Line: | Node Seismic Instrument |
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MASW Refraction Reflection Nodal Seismograph Microtremor Survey Land Node Seismograph HVSR Seismic Survey Equipment
The MASW Refraction Reflection Nodal Seismograph is multi-functional geophysical system engineered to deliver high-precision subsurface imaging and site characterization across diverse terrains and applications. By integrating Multichannel Analysis of Surface Waves (MASW), Seismic Refraction/Reflection, Microtremor Surveys, and Horizontal-to-Vertical Spectral Ratio (HVSR) methodologies, this advanced nodal seismograph offers unparalleled versatility for geotechnical, environmental, and exploration projects.MASW: Measure shear wave velocity (Vs30) for soil stiffness analysis and earthquake-resistant foundation design.
Refraction/Reflection: Map bedrock depth, identify voids/sinkholes, and assess subsurface stability for roads, bridges, and tunnels.
Microtremor Surveys: Evaluate ground vibrations and resonance risks in densely built urban areas.
Refraction Seismic: Characterize shallow hydrocarbon reservoirs and stratigraphic traps.
Nodal Arrays: Conduct high-density 2D/3D surveys for mineral exploration with minimal environmental impact.
HVSR: Assess site-specific seismic hazards, including liquefaction potential and ground motion amplification.
Passive Seismic Monitoring: Detect groundwater resources, landfill boundaries, and landslide-prone zones using ambient noise.
Microtremor Analysis: Monitor vibration impacts from construction activities and infrastructure health (e.g., dams, pipelines).
MASW/Reflection Integration: Optimize foundation design for high-rise buildings in soft soil regions.
HVSR & MASW: Map fault lines and liquefaction zones for earthquake risk reduction.
Academic Studies: Investigate tectonic structures, glacial sediments, or volcanic activity with multi-method seismic data.
Bedrock Mapping: Identify optimal locations for wind turbine foundations or geothermal drilling.
Parameter | Index | Index |
Optional Geophone | 5Hz | 10Hz |
Natural Frequency | 5+/-7.5% | 10+/-3.5% |
DC Resistance | 1850+/-5% | 1800+/-3.5% |
Sensitivity | 80+/-5% | 85.8+/-3.5% |
Damping | 0.6+/-7.5% | 0.48~0.54 |
Distortion | ≤0.1% | ≤0.1% |
Aliasing | ≥170 | ≥240 |