LS-02A Multi-Channel Digital High-Resolution Seismograph

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In today’s technologically advanced world, the need for precise and reliable geological data has never been more critical. The Multi-Channel Digital High-Resolution Seismograph stands at the forefront of geological and seismological research and exploration, offering unparalleled accuracy, efficiency, and versatility. This state-of-the-art instrument is designed to meet the rigorous demands of modern geophysical studies, from earthquake monitoring to natural resource exploration.

Advantages

High Sampling Rate

Minimum sampling interval of 5μs per channel.

Channel Scalability

Based on TCP/IP network distributed design, 24 seismographs are interconnected through network interfaces, allowing for scalability.

High Dynamic Range, High Signal-to-Noise Ratio

Featuring high resolution and high fidelity with a dynamic range of 130dB, this device offers excellent channel consistency and a high signal-to-noise ratio, with background noise less than 0.1uV.

Multipurpose

Device can be used for data collection in refraction, reflection, seismic CT, and also applicable in continuous monitoring, surface wave exploration, and other fields.

Protective Performance

The main control system utilizes a ruggedized laptop designed to withstand harsh outdoor working environments. It supports the deployment of complex three-dimensional observation systems in diverse areas, ensuring reliable operation even in challenging conditions.

Specifications

Host

 Industrial-grade Tablet

Equivalent Input Noise

 2ms, 36dB, <0.1uV

Number of Channels

 24, 48, 96... can be cascaded Inter-channel

Crosstalk Suppression

 ≥112dB

Sampling Interval

 Arbitrarily set by software, minimum 5μs

Total Harmonic Distortion

 2ms sampling interval, 24 bits, ≤0.0005%

Channel Record Length

 0.5K, 1K, 2K, 4K... up to 64K

Common Mode Suppression

 ≥100dB

Pre-amplification Gain

 24dB, 36dB

Notch Filter

 50Hz A/D

Conversion Precision

 24 bits

Pass Band

 0.1Hz~20KHz

Maximum Input Signal

 6 Vpp

Pass Band Ripple

 ±0.05dB

Input Impedance

 20KΩ // 0.02uF

Operating Temperature

 -25°C~+85°C

Dynamic Range

 ≥130dB

Power Supply Voltage

 DC 9V~18V

Trigger Mode

 External trigger, Internal trigger, Signal touch

Data Format

 Supports segy, sg2

 

Cases

Seismic Refraction Exploration

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Refraction data collection


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Marine Seismic Exploration

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Seismic Wave CT

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Seismic CT data acquisition and analysis

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