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30Hz Reinforced Land Case Geophone with Split Spring Clip

30Hz reinforced land case geophone (ST-30) in vertical direction (P wave) and horizontal direction (S wave) available, which are suitable for deep seismic exploration, advance prediction, natural seismic survey, pulsating microseismic survey of bridges, dams, highways and railways, safety monitoring, engineering pulse measurement and other vibration analysis.

● Good parameter consistency.

● Firm mechanism structure.

● Good sealability.

● Suitable for multi-wave component seismic data acquisition.

We supply 30hz geophone coil, geophone element, geophone sensor, single geophone and geophone array with KCK connector, KCL connector, 408 connector, Kooter connector, MP16 connector, Split spring connector and Mueller clip connector optional as the lead connector. Lead wires from O.D 4.6mm to O.D 7.8mm available.

Customized geophone connector and lead wire applicable upon request.

Click here and download data sheet of 30hz geophone or contact us to get special discounts.


For any inquiries, please contact with our Marketing Team at or Supporting Team at

Type ST-30
Natural frequency ( Hz ) 30±5%
Damping 0.62±10%
Sensitivity ( V/cm/s ) 0.28±5%
Coil Resistance ( ohms ) 500±5%
Harmonic Distortion ( % ) ≦0.2
Moving Mass ( g ) 13
Max.coil excursion p-p ( mm ) 2
Element Diameter ( mm ) 27.2
Element Height ( mm ) 34
Element Weight ( g ) 86
Operating Temperature ( ℃ ) -40℃ to + 100℃
●  All parameters specified herein are rated at a temperature 20℃±2℃.
●  1-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.


– Other type of geophones are also available: SM-4 Equivalent, SM-6 Equivalent, SM-24 Equivalent, SG10 Equivalent, GS-20DX Equivalent, GS-32CT Equivalent, GS ONE Equivalent, 1Hz, 2Hz, 2.5Hz, 3Hz, 4Hz, 4.5Hz, 5Hz,8Hz, 10Hz, 14Hz, 15Hz, 28Hz, 30Hz, 38Hz, 40Hz, 60Hz,80Hz and 100Hz.

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