5Hz Ultra-Low Power Portable Smart Seismic Node Seismic Instrument
Technical Specification
| Instrument index |
| Parameter |
index |
| Number of channels |
3 |
| Sampling rate |
0.25ms,0.5ms,1ms,2ms,4ms |
| Preamplifier gain |
0-24dB(6db step) |
| Low cut filter |
1Hz, go to DC or off |
| Anti-aliasing filter |
206.5Hz@2ms (82.6% Nyquist frequency) selectable maximum phase or minimum phase |
| Maximum input @ 0db |
2.5VpeaK |
| Equivalent input noise@12dB |
0.16uV@2ms |
| Instantaneous dynamic range@12dB |
128.8dB@2ms |
| Total dynamic range |
150dB |
| Time accuracy |
±10us |
| Internal storage |
expandable from 32GB to 128GB |
| Built-in GPS |
GPS, BDS (current reception) for timing and positioning |
Feature
1. 1450g Light Weight
2. 90mm×100mm×148mm Small Size
3. No connectors
4. 40 days(24 hours continuously working internal storage)
7 days(8 hours real time data transferring)
5. Built-in 4G module
Real time data transferring (Optional Off)
6. Smart On/Sleep
Easy deployment
7. High presition clock
Timing accuracy ±10us
8. Concurrent reception GPS / BDS
Support multiple GNSS system
Test site
Application
Regional safety assessment by seismic
Shallow geological survey
Urban subsurface seismic exploration
Geothermal exploration
Goaf exploration in coal field
oil/gas/coal/mineral exploration
Engineering Case
1.Mineral micro-motion detection
2.—Urban underground space survey-active fault detection
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