EGL EQUIPMENT SERVICES CO.,LTD
Professional Geophone and Hydrophone Supplier
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Single Seismic Geophone 40Hz:
Equipped in Land Case with 1Meter Leader Cable(Custom Lead Distance optional) and Terminated with Clips( Split Spring Clips,Mueller Clips,KCK Connector or Kooter Connector optional). With Vertical Direction, Horizontal Direction and 3 Component Structure available.
Type:40Hz-I
Natural Frequency ( Hz ): 40 ± 5.0%
Coil resistance(Ω): 540 ± 5.0%
Open Circuit Damping : 0.620 ± 5.0%
Damping With Shunt Resistor : 0.648 ± 5.0%
Open Circuit Intrinsic Voltage Sensitivity( v/m/s ): 32.5 v/m/s ± 5.0%
Sensitivity With Shunt Resistor ( v/m/s ): 30.3 v/m/s ± 5.0%
Damping Calibration-Shunt Resistance(Ω): 7500
Harmonic distortion( % ): ＜0.20%
Typical Spurious Frequency (Hz ): ≥300Hz
Moving Mass ( g ): 9.3g
Typical case to coil motion p-p ( mm ): 1.8mm
Allowable Tilt : ≤20º
Type:40Hz-II( Equivalent to GS-20DX,40Hz)
Natural Frequency ( Hz ): 40 ± 5.0%
Coil resistance(Ω): 575 ± 5.0%
Open Circuit Damping : 0.37± 5.0%
Damping With Shunt Resistor : 0.576 ± 5.0%
Open Circuit Intrinsic Voltage Sensitivity( v/m/s ): 42.0 v/m/s ± 5.0%
Sensitivity With Shunt Resistor ( v/m/s ): 30.4 v/m/s ± 5.0%
Damping Calibration-Shunt Resistance(Ω ): 1500
Harmonic distortion( % ): ＜0.20%
Typical Spurious Frequency (Hz ): ≥380Hz
Moving Mass ( g ): 8.2g
Typical case to coil motion p-p ( mm ): 1.5mm
Allowable Tilt : ≤20º