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Low Frequency 3Hz Land Case Geophone

Low frequency and high sensitivity land case geophone 3hz(ST-3) in vertical direction (P wave) and horizontal direction (S wave) available, which are suitable for deep seismic exploration, engineering pulse measurement and other vibration analysis.

● Long travel version of the ST-3 geophone.

● Special orientations upon request beyond the normal vertical and horizontal options.

● Rugged construction with precious-metal, rotating-coil contacts.

● High sensitivity of 200.0V/m/s.

● Different type of geophone cases which are suitable for land,desert, snow, marsh and transition zone respectively.

● Widely used in passive seismic survey and earthquake monitoring system.

We supply low frequency 3hz high sensitivity geophone coil, geophone element, single geophone, 3-dimensional geophone and land case single geophone with KCK connector, KCL connector, 408 connector, Kooter connector, MP16 connector, Split spring connector and Mueller clip connector optional as the lead connector. Leader cable from O.D 4.6mm to O.D 7.8mm available.

Customized geophone connector type, leader cable and wiring are available upon request.

Click here and download data sheet of low frequency 3hz high sensitivity geophone or contact us to get special discounts.

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For any inquiries, please contact with our Marketing Team at sales@seis-tech.com or Supporting Team at info@seis-tech.com.

MAIN TECHNICAL PARAMETERS
Type ST-3
Natural Frequency ( Hz ) 3±10%
Sensitivity/G ( v/cm.s-1 ) 2±10%
Coil Resistance/ Rc( Ω ) 6040±5%
Internal Resistance/ R( Ω ) 5650±5%
Damping Coefficient Bt 0.7±10%
Harmonic Distortion D ( % ) ≦0.2
Insulating Resistance Ri ( MΩ ) ≧20
Coil’s Maximum Displacement /P-P ( mm ) 3
Suspension Mass ( g ) 60
Element Diameter ( mm ) 38.5
Element Height ( mm ) 47
Element Weight ( g ) 250
Working Temperature( ℃ ) -25℃ to + 55℃
Working Direction Vertical / Horizontal / Three-component
–   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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