Ant-3C-5Hz GEOANT intelligent 3-component nodal seismometer

Name: Ant-3C-5Hz GEOANT intelligent 3-component nodal seismometer
Brand: GEOANT
SKU: Ant-3C-5Hz

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

3-component nodal seismometer with 4G connectivity, GNSS timing and a 5 Hz geophone for high-precision seismic acquisition in demanding terrain.

Its integrated architecture, long operating life and real-time communication support automated deployments with zero external contacts.

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General
Specifications

The GEOANT Ant-3C-5Hz is an intelligent 3-component nodal seismometer designed for high-precision seismic acquisition with instantaneous data transmission through 4G cellular connectivity and IoT SIM card support.

It combines GPS/Beidou synchronization algorithms, ultra-low-power circuitry, wireless data and charging technology, and real-time communications to enable intelligent, automated deployment in complex terrain and harsh environments.

Its state-of-the-art ADC design provides exceptional dynamic range for micro-vibration detection while maintaining stable and accurate recording during exploration and monitoring campaigns.

Recommended application areas:

Regional seismic safety assessment
Shallow geological surveys
Urban underground space exploration
Geothermal exploration
Coal mine goaf exploration
Oil, natural gas, coal and nonferrous mineral exploration
Structural health monitoring and geological disaster monitoring

Key benefits include high integration, long operating life and zero external contacts, helping field teams reduce setup complexity and improve system reliability.

Physical parameters

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 with real-time transmission; 40 days at 24 hrs/day; 20 days with 4G transmission every 10 minutes; 80 days at 12 hrs/day
Charging time	6.5 hours

Performance specifications

Channels	3-channel Delta-Sigma ADC
A/D converter	32-bit
Sampling rate	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
0 dB at max input	2.5 V peak
Equivalent input noise at 12 dB	0.5 uv at 0.25 ms / 0.2 uv at 2 ms / 0.14 uv 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 us, 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 %

Geophone specifications

Parameter	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 to 1000	0.2 to 300	0.1 to 300