Ant-3CN-5Hz GEOANT 3-channel wireless seismic node

Ant-3CN-5Hz GEOANT 3-channel wireless seismic node

Name: Ant-3CN-5Hz GEOANT 3-channel wireless seismic node
Brand: GEOANT
SKU: Ant-3CN-5Hz

Reference: Ant-3CN-5Hz - Manufacturer: GEOANT

The Ant-3CN-5Hz is a GEOANT 3-channel wireless seismic node with 32-bit Delta-Sigma ADC, integrated GNSS and 5 Hz geophones for precise field seismic acquisition.

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The Ant-3CN-5Hz from GEOANT is a 3-channel wireless seismic node aimed at seismic acquisition and geophysical monitoring campaigns that require high timing accuracy, field ruggedness and extended operating autonomy. It integrates 32-bit Delta-Sigma A/D conversion, multi-constellation GNSS timing and IP68 protection for demanding outdoor environments.

This version is prepared for 5 Hz, 5S and 2 Hz geophone configurations, providing flexibility for different capture strategies and deployment schemes. The unit includes adjustable preamplifier gain, configurable filtering and wide dynamic range to preserve signal quality during acquisition.

Storage is expandable from 32 GB to 128 GB. The stated autonomy covers real-time transmission, continuous operation, periodic 4G data transmission and partial-duty operating schemes. Built-in GNSS with GPS, Beidou and GLONASS support helps maintain precise synchronization across distributed deployments.

With its 3-channel architecture, multiple geophone configuration support and rugged field-ready design, the Ant-3CN-5Hz is a suitable solution for distributed seismic and geophysical acquisition applications.

Weight	1750 g (excluding spike)
Dimensions	90 x 100 x 128 mm
Operating temperature	-40 °C to +70 °C
Protection	IP68
Operating life at 25 °C	7 days real-time transmission; 40 days at 24 hrs/day operation; 20 days with 4G transmission every 10 minutes; 80 days at 12 hrs/day operation
Charging time	6.5 hours
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	±10 μs, GPS disciplined
Storage	Expandable from 32 GB to 128 GB
Built-in GNSS	Simultaneous GPS/Beidou/GLONASS/GNSS positioning and timing, single or dual mode
Gain accuracy	<1%
Selectable geophone	5 Hz / 5S / 2 Hz
Natural frequency	5±7.5% / 5±7.5% / 2±15%
DC resistance	1850±5% / 13300±5% / 6400±10%
Sensitivity (open circuit)	80±5% / 230±7.5% / 260±15%
Damping	0.7±7.5% / 0.7±7.5% / 0.7±15%
Distortion	≤0.2% / ≤0.35% / ≤3%
Spurious frequency	≥170 / ≥120 / ≥90
Effective frequency range	0.2-1000 / 0.2-300 / 0.1-300

Ant-3CN-5Hz GEOANT 3-channel wireless seismic node

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