EGL Equipment services Co.,LTD
EGL Equipment services Co.,LTD EGL is a professional geophone manufacturer .
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SM4 10Hz Geophone String for Marsh and Transition Zone
Used for Seismic Data Acquisition System .
| Type | SM4 10Hz Geophone String for Marsh and Transition Zone |
| Geophone Direction | Vertical Direction |
| Geophone Connection | 12X1,6X2,4X3 optional |
| Geophone Type | SM-4 Geophone 10Hz |
| Geophone Case | Waterproof heavy duty Case for Marsh and Transition Zone 12 pcs |
| Spike | Brass Spike length75mm |
| Cable | Waterproof Cable O.D.5.33mm,6.4mm and 7.8mm available; Custom Lead-in Length; Custom Geophone Interval Distance; Custom Drop Cable Length |
| Connector Type | *KCK Connector( Male or Female or Dual / Lock Ring Type) *SH17-WCR-2M2F Connector *5515 Connector (Male or Female or Dual / Screw Fit ) *KCL Connector( KCL male or KCL female or KC2L-4 Dual ) *Other Connector Type available |
If you need other configuration, Cable Length, Interval,Connector, please contact us.
| Type | EG-10-II (10Hz SM4) |
| Natural Frequency ( Hz ) | 10 ± 5.0% |
| Coil resistance(Ω) | 375 ± 5.0% |
| Open Circuit Damping | 0.271 ± 5.0% |
| Damping With Shunt Resistor | 0.6 ± 5.0% |
| Open Circuit Intrinsic Voltage Sensitivity( v/m/s ) | 28.8 v/m/s ± 5.0% |
| Sensitivity With Shunt Resistor ( v/m/s ) | 22.7 v/m/s ± 5.0% |
| Damping Calibration-Shunt Resistance (Ω) | 1400 |
| Harmonic distortion ( % ) | ＜0.20% |
| Typical Spurious Frequency (Hz ) | ≥240Hz |
| Moving Mass ( g ) | 11.3g |
| Typical case to coil motion p-p ( mm ) | 2.0mm |
| Allowable Tilt | ≤20º |
| Operating Temperature Range ( ℃ ) | -40℃ TO +100℃ |
| Height ( mm ) | 32 |
| Diameter ( mm ) | 25.4 |
| Weight ( g ) | 74 |
| Warranty Period | 3 years |