Seismic Geophone Sensor 10Hz, with Types SM-24 Equivalent Geophone,SM-4 Equivalent Geophone ,GS32CT Equivalent Geophone and GS20DX-10Hz Equivalent Geophone available.
SM-4 Equivalent Geophone:
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