ALLSEIS SERIES
Professional-grade autonomous seismic nodes engineered for mission-critical exploration operations worldwide. Delivering uncompromising precision and reliability.
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Select from our comprehensive range of professional seismic acquisition solutions, each engineered to meet specific operational requirements and industry standards.
ALLSEIS-1C
Land Seismic Node
ALLSEIS-1C series nodal system is designed by GDST for high resolution, high efficiency, and high reliability seismic acquisition with less operational cost and environmental footprint. This innovative nodal system is equipped with state-of-the-art sensors and seismic recording circuitry, providing reliable and accurate seismic signal digitalization results with unrivaled level of flexibility and quality control. With its light, compact, and rugged design, ALLSEIS-1C series seismic nodal system is the ideal solution for a wide range of geophysical applications such as energy and mineral exploration, urban geological structure imaging, CCUS, and passive seismic monitoring etc.
Technical Capabilities
Comprehensive Performance Data
Detailed performance parameters and operational capabilities
General Parameters
| Parameter | ALLSEIS-1C |
|---|---|
Sensor Technology | 5Hz High Sensitivity Geophone (5Hz~150Hz) |
Alternative Sensor | 10Hz High Sensitivity Geophone (10Hz~240Hz) |
External String Support | Optional CCK Socket Version |
Digitalization | 24-bit A-∑ ADC with GNSS disciplined clock |
Storage Capacity | 16GB (32GB optional) |
Battery Pack | Internal 52WH Lithium-ion |
Autonomy | 670 hours continuous recording |
Timing Accuracy | ±10μs (continuous GNSS), ±1ms (1hr without GNSS) |
Working Mode | Autonomy with BLE wireless QC inspection |
Weight | 750g (excl. spike), 800g (incl. spike) |
Dimensions | 9.8cm × 10.8cm × 11cm (Excl. spike) |
Operating Temperature | -40°C ~ +70°C |
Acquisition Specifications
| Performance Parameter | ALLSEIS-1C |
|---|---|
ADC Resolution | 24-bit |
Sample Rates | 0.5ms, 1ms, 2ms, 4ms |
Preamplifier Gain | x1, x4, x16 (0dB, 12dB, 24dB) |
Input Impedance | 40KΩ || 22nF (5Hz geophone), 20KΩ || 22nF (10Hz geophone) |
Gain Accuracy | 0.10% |
Full Scale Input Signal | ±2.5Vp-p@x1 gain, ±625mVp-p@x4 gain, ±156mVp-p@x16 gain |
Instantaneous DR @4ms (typical value) | 125dB @ x1 gain, 124dB @ x4 gain, 121dB @ x16 gain |
Full Scale DR | 145dB |
Equivalent Input Noise @4ms (typical value) | 1μV @ x1 gain, 0.25μV @ x4 gain, 0.13μV @ x16 gain |
Harmonic Distortion | -120dB@ 31.5Hz |
Anti-alias Filter | Linear or minimum phase filter, 86.6% of Nyquist -3dB bandwidth |
Frequency Response @1ms | 0Hz ~ 433Hz (-3dB) |
Stopband Attenuation | >120dB @Nyquist |
Common Mode Rejection | >120dB |