EGL EQUIPMENT SERVICES CO.,LTD
Professional Geophone and Hydrophone Supplier
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Single Seismic Geophone 8Hz:
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 Structrue available.
Type: 8Hz-I
Natural Frequency ( Hz ): 8 ± 5%
Coil resistance(Ω): 375 ± 5%
Open Circuit Damping : 0.337 ± 5%
Damping With Shunt Resistor : 0.6 ± 5%
Open Circuit Intrinsic Voltage Sensitivity( v/m/s ): 28.8 v/m/s ± 5%
Sensitivity With Shunt Resistor ( v/m/s ): 24.9 v/m/s ± 5%
Damping Calibration-Shunt Resistance (Ω): 2400Ω
Harmonic distortion( % ): ＜0.2%
Typical Spurious Frequency (Hz ): ≧240Hz
Moving Mass ( g ): 11.3g
Type: 8Hz-II
Natural Frequency ( Hz ): 8 ± 5%
Coil resistance(Ω): 395 ± 5%
Open Circuit Damping : 0.38 ± 5%
Damping With Shunt Resistor : 0.71 ± 5%
Open Circuit Intrinsic Voltage Sensitivity( v/m/s ): 28.0 v/m/s ± 5%
Sensitivity With Shunt Resistor ( v/m/s ): 23.0 v/m/s ± 5%
Damping Calibration-Shunt Resistance (Ω): 1800Ω
Harmonic distortion( % ): ＜0.2%
Typical Spurious Frequency (Hz ): ≧180Hz
Moving Mass ( g ): 11.0g