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Land Case Geophone 30Hz with Split Spring Connector

Land case geophone 30Hz (P/N: ST-30) is a good choice for shallow seismic survey and it is mostly widely used in coalmine geological prospecting and exploration with the following features:

  • Good parameter consistency.
  • Firm mechanism structure.
  • Excellent sealability and stability.
  • Vertical geophone, horizontal geophone are available which are also suitable for three component applications.
  • Reinforced land case and spike are specially designed for rugged fields.
  • Assorted geohone connectors and geophone cable are available.

We supply land case geophone 30Hz 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


Land Case Geophone 30Hz with Split Spring Connector Product Parameters

Natural frequency ( Hz )30±5%
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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