Ant-3CEN GEOANT 3-channel wireless seismic node

Ant-3CEN GEOANT 3-channel wireless seismic node

Name: Ant-3CEN GEOANT 3-channel wireless seismic node
Brand: GEOANT
SKU: Ant-3CEN

Reference: Ant-3CEN - Manufacturer: GEOANT

The Ant-3CEN is a 3-channel wireless seismic node with 32-bit Delta-Sigma ADC, integrated GNSS and IP68 protection for field seismic acquisition.

It supports 2, 5 and 10 Hz geophones, expandable storage up to 128 GB and autonomous operation with an external solar panel.

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The Ant-3CEN from GEOANT is a 3-channel wireless seismic node built for seismic acquisition campaigns that demand precise timing, field durability and strong power autonomy. It integrates 32-bit Delta-Sigma A/D conversion, multi-constellation GNSS positioning and timing, and a rugged IP68 housing for harsh operating environments.

Its architecture supports selectable 2 Hz, 5 Hz and 10 Hz geophones, as well as geophone strings, providing flexibility for different survey layouts. The unit offers adjustable preamplifier gain, configurable low-cut filtering and selectable anti-alias filtering to match acquisition design and ground conditions.

The system includes internal storage expandable from 32 GB to 128 GB and can be powered by an external solar panel, enabling different autonomy scenarios for real-time transmission, cyclic transmission or blind recording. GNSS timing with simultaneous GPS, Beidou and GLONASS support helps preserve data timing integrity across distributed deployments.

With its combination of ruggedness, dynamic range and multi-frequency geophone compatibility, the Ant-3CEN is well suited to seismic exploration and geophysical monitoring applications that require dependable field acquisition.

Weight	920 g
Dimensions	90 x 100 x 115 mm
Operating temperature	-40 °C to +70 °C
Protection	IP68
Operating life at 25 °C	Unlimited operation with external solar panel; 7 days real-time transmission; 15 days cyclic transmission; 40 days blind recording
Charging time	6.5 hours
External power supply	Voltage range 4-24 W
External geophone interface	Supports 2 Hz, 5 Hz and 10 Hz single geophones and geophone strings
Number of channels	3 Delta-Sigma ADC channels
A/D converter	32-bit
Sampling rates	0.25 ms; 0.5 ms; 1 ms; 2 ms; 4 ms; 8 ms; 10 ms; 20 ms
Preamplifier gain	0-24 dB in 6 dB steps
Low cut filter	1 Hz, DC removed or disabled
Anti-alias filter	206.5 Hz at 2 ms (82.6% of Nyquist), selectable linear phase or minimum phase
Max input at 0 dB	2.5 V peak
Equivalent input noise at 12 dB	0.5 μV at 0.25 ms; 0.2 μV at 2 ms; 0.14 μV at 4 ms
Instantaneous dynamic range at 12 dB	118.9 dB at 0.25 ms; 126.8 dB at 2 ms; 130 dB at 4 ms
Total dynamic range	145 dB
Timing standard	< 1 ppm
Timing accuracy	±1 μs
Storage	Expandable from 32 GB to 128 GB
Built-in GNSS	Simultaneous GPS/Beidou/GLONASS/GNSS positioning and timing, single or dual mode
Selectable geophones	2 Hz / 5 Hz / 10 Hz
Natural frequency	2±15% / 5±7.5% / 10±3.5%
DC resistance	6400±10% / 1850±5% / 1800±3.5%
Sensitivity (open circuit)	260±15% / 80±5% / 87±5%
Damping	0.7±15% / 0.7±7.5% / 0.7±5%
Distortion	≤3% / ≤0.1% / ≤0.1%
Spurious frequency	≥90 / ≥170 / ≥240
Effective frequency range	0.1-300 / 0.2-1000 / 0.5-1000

Ant-3CEN GEOANT 3-channel wireless seismic node

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