Geophone Sensor (Geophone Element )available for the following types:

1Hz Geophone Sensor

2Hz  Geophone Sensor

2.5Hz Geophone Sensor

3Hz Geophone Sensor

4Hz Geophone Sensor

4.5Hz Geophone Sensor

8Hz Geophone Sensor

10Hz Geophone Sensor

14Hz Geophone Sensor

15Hz Geophone Sensor

28Hz Geophone Sensor

30Hz Geophone Sensor

38Hz Geophone Sensor

40Hz Geophone Sensor

60Hz Geophone Sensor

80Hz Geophone Sensor

100Hz Geophone Sensor
Data Sheet for 28Hz Geophone:
Natural Frequency( Hz ):28 ± 5%
Coil resistance(Ω):385 ± 5%
Open Circuit Damping:0.6± 5%
Damping With Shunt Resistor:0.634 ± 5%
Open Circuit Intrinsic Voltage Sensitivity( v/m/s ):31.0 v/m/s ± 5%
Sensitivity With Shunt Resisto( v/m/s )r:29.5 v/m/s ± 5%
Harmonic distortion:＜0.2%
Typical Spurious Frequency:≧300Hz
Moving Mass:10.2g
Typical case to coil motion p-p :1.6mm
Operating Temperature Range:-40℃ TO +100℃