Digital 3C geophone EPS-2-M6Q
Features:
Traditional seismic exploration, seismic station prediction system
Transient multi-spot Rayleigh wave exploration
Civil work quality test
Field long-time tremor measurement
Blasting vibration monitoring
Data sheets of Digital 3C geophone EPS-2-M6Q
Type | EPS-2-M6Q |
Bandwidth | 0.5Hz ~ 150 Hz |
Self-noise level | The entire frequency band is lower than the NHNM curve; 0.5Hz ~ 1Hz is lower than the NLNM curve; |
Time stability | 5 × 10-7 s |
Number of channels | 3-component geophone |
Amplitude consistency between channels | <5% |
Phase difference between channels | <0.1ms |
Crosstalk suppression between channels | >100db |
Lateral vibration suppression | Better than 0.1% |
Power consumption |
Autonomous working mode < 0.2w Bluetooth working mode < 0.3w |
Sampling Rate | 50, 100, 200, 250, 500, 1000 |
Lowest parasitic resonance frequency | >500Hz |
Calibration method | Square wave calibration |
External power supply | 5V~12V, Single power supply (charging) |
Status Display | LED |
Internal GPS & BDS | Included |
Operating Temperature Range ( ℃ ) | -20℃ ~ +55℃ |
Autonomous working time | > 20 days continuous without external power |
Dynamic Range | >120dB |
Storage Capacity | 32GB(Pluggable TF card for expansion to 64GB or larger TF card) |
Data Format | MiniSeed(Can be converted to formats such as SAC) |
Interactive interface | Bluetooth,USB2.0 and RS232 |
Water Proof | Protection in 1m water depth |
Dimensions | Φ140mm × 170 mm |
Weight | 3kg |
Warranty Period | 1years |