Seismic Data Collection and Analysis 24 Channel Seismograph Seismic Imaging System for Field Masw Refraction Reflection Seismic Surveys

Product Description

Seismic Data Collection And Analysis 24 Channel Seismograph Seismic Imaging System For Field MASW Refraction Reflection Seismic Surveys
The Seismic Data Collection and Analysis 24-Channel Seismograph Seismic Imaging System is an advanced and versatile tool designed for efficient and accurate data acquisition for MASW (Multi-Channel Analysis of Surface Waves), refraction, and reflection seismic surveys in the field. This system plays a crucial role in providing valuable insights into subsurface structures, geotechnical properties, and seismic hazards.
Seismic source may be hammer, electric spark or explosion. It is extremely suitable for wave velocity testing (sheared wave), surface wave detecting, pier foundation inspection, ground micro-tremor survey, seismic imaging, shake measurement, and reflection and refraction survey. It is extensively applicable in hydrogeology, electric power, railway, bridge, city construction, traffic and other engineering geological field prospecting as well as in exploration of petroleum, coalfield, uranium ore, groundwater and other resources.
1. 24-Channel Seismograph: The system's 24-channel capability allows for simultaneous data collection, enabling us to efficiently cover larger survey areas while minimizing acquisition time.
2. MASW (Multi-Channel Analysis of Surface Waves): With this system, we can perform MASW surveys to analyze the dispersive characteristics of surface waves. By studying the surface wave velocities and their variation with depth, we can obtain information about the shear wave velocity profile and assess soil stiffness.
3. Refraction Seismic Surveys: The system's capabilities also support refraction seismic methods, which are useful for determining the seismic velocities of subsurface layers. By analyzing the travel times and arrival angles of refracted waves, we can delineate layer boundaries and estimate geotechnical parameters.
4. Reflection Seismic Surveys: Our system allows us to capture and analyze reflected seismic waves to obtain subsurface images. By assessing the reflections from various interfaces, we can gain insights into layer geometries, lithology, and potential structural features.
5. Field Deployable: The system is designed for field use, making it suitable for remote and challenging environments. Its portability and easy setup ensure that we can quickly deploy and collect data in various locations.

Channel number	24
Sample stations	1024, 2048, 4096, 8192, 16384
Sample frequency	a, Generally, 10μs, 25μs, 50μs, 100μs, 200μs, 500μs, 1ms, 2ms, 5ms, 10ms, 20ms
	b, For micro-tremor survey, 1ms ~ 200ms selectable
A/D converter	24 bit
Signal stack and amplification	32 bit
Dynamic range	140dB
Frequency bandwidth	0.1Hz ~ 4000Hz
Noises	1μV(full-frequency state)
Amplitude consistency	±0.2%
Phase consistency	±0.01ms
Time lapse	0~9999ms
Date format	SEG-2
Working temperature	0ºC~50ºC, 90%RH
Storage temperature	-20ºC ~ +60ºC

Seismic exploration is superior to other geophysical exploration methods in terms of stratification detail and exploration accuracy. The depth of seismic exploration generally ranges from tens of meters to tens of kilometers. The difficulty of seismic exploration is the improvement of resolution, which facilitates the fine structural study of the subsurface and thus a more detailed understanding of the structure and distribution of the strata.
The seismic wave is excited by artificial method on the surface, and when propagating to the underground, the seismic wave will reflect and refract in case of rock stratum interface with different medium properties, and the seismic wave will be received by geophone on the surface or in the well. The seismic signal received is related to the characteristics of the source, the location of the detection point, the nature and structure of the underground rock strata through which the seismic wave passes. By processing and interpreting seismic wave records, we can infer the nature and shape of underground rock formations.

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