Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
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Ground Vibration Analyzer Seismic Data Logger Rock Mass Testing Equipment
Comprehensive Overview of Seismic Refraction Equipment
Seismic Refraction Equipment is a state-of-the-art geophysical tool designed for subsurface exploration and analysis. Utilizing advanced seismic wave measurement techniques, this equipment is indispensable for a wide range of applications, from engineering geology to resource exploration.
Technical Specifications and Capabilities
Channel Configuration: Available in 12, 24, 48, and 96 channels, allowing for high-resolution data acquisition.
Excitation Sources: Compatible with hammering, electric spark, and explosive sources for diverse field conditions.
Depth Range: Capable of exploring subsurface layers from a few meters to several hundred meters.
Time-Delay Function: Enables the collection of seismic data from deeper strata, enhancing the accuracy of subsurface imaging.
Primary Applications
Bedrock Depth Assessment: Accurately determine the depth of unweathered, solid rock formations such as granite, limestone, and dolomite.
Fault and Fracture Detection: Identify weak zones, anisotropies, and discontinuities in jointed rock masses.
Rippability Analysis: Evaluate the ease of excavation in open-pit mining operations.
Void and Cavern Mapping: Detect post-mining voids, sinkholes, and inactive shafts.
Groundwater Table Mapping: Locate and assess groundwater resources.
Landslide Risk Assessment: Map slip surfaces and evaluate slope stability.
Key Features
Shear Wave Seismograph: Measures shear wave velocity to assess material strength and deformation characteristics.
Surface Wave Analysis: Provides detailed data on shallow soil layers for site response analysis.
Industry Applications
Civil Engineering: Used in the construction of bridges, railroads, and urban infrastructure.
Resource Exploration: Essential for oil, coal, uranium, and groundwater exploration.
Environmental Studies: Critical for landslide risk assessment and soil amplification analysis.
Seismic Imaging: Generates high-resolution subsurface images for fault line identification and construction planning.
Technical Parameters
| Channel number | 24 /48 |
| Sample stations | 1024, 2048, 4096, 8192, 16384 |
| Sample frequency | a, Generally, 10μs, 25μs, 50μs, 100μs, 200μs, 500μs, 1ms, 2ms, 5ms, 10ms, 20ms |
| A/D converter | 24 bit |
| Signal stack and amplification | 32 bit |
| Dynamic range | 144dB |
| Frequency bandwidth | .1Hz ~ 4000Hz |
| Noises | 1μV(full-frequency state) |
| Amplitude consistency | ±0.2% |
| Phase consistency | ±0.01ms |
| Distortion | ±0.05% |
| Time lapse | 0~9999ms |
| Input resistance | 20k |
| Crosstalk supprecssion | ≥90dB |
| Low-cut filter steepness | Software filter |
| High-cut filter steepness | 72dB/ frequency doubling |
| 50Hz trap filter | 40dB |
| Tablet PC | CPU: not less than Intel Core i3 |
| Internal battery | Lithium battery for 18 hours continously work |
| Date format | SEG-2 |
| Working temperature | 0℃~50℃, 90%RH |
| Storage temperature | -20℃ ~ +60℃ |
| Weight | 12.3kg (WZG-24C), 12.8kg (WZG-48C) |
| Dimension | 47cm * 35.7cm * 17.6cm |