Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
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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