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Multi-Geophone String for Marsh and Transition Zone

Assorted Multi Geophone Strings for Marsh and Transition Zone which suitable for geophysical seismic exploration, geological survey and other geological exploration are available.

I. System Compatibility:

1) Sercel 408UL , 428XL, 508XT and Geospace GSR, Fairfield, Wireless and other wired and wireless seismic data acquisition instruments.
2) Geometrics, Summit and other geology survey instruments.
3) Geophone element could be replaced by SM-24 , SG-10, GS-20DX,GS -32CT and other type of mainstream geophone elements.

II. Configurations:

1) Wiring with 1X1, 3X1, 3X2, 6X1, 6X2  or 12X1optional.
2) Geophone strings for land, desert&snow filed, marsh&transition zone are optional.
3) Custom leader wire type applicable.
4) Push fit geophone connector or Screw fit geophone connector optional.

III. Features:

1) Suitable Working Field : Marsh,Transition Zone and Shallow Water.

2) Compact structure, small size, light weight and easy maintenance.

IV. Geophone String Types:

geophone string 10hz(SM-24,10hz equivalent geophone, SM-4,10hz equivalent geophone,20DX-10hz equivalent geophone,32CT equivalent geophone and SG-10 equivalent geophone available), geophone string 14hz(SM-4,14hz equivalent geophone and 20DX-14hz equivalent geophone available) and geophone string 40hz(SM-4,40hz equivalent geophone and 20DX-40hz equivalent geophone available) are available.

Other sorts of geophones and geophone strings available upon request.

Click here and download data sheet of geophone strings 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-4.5N

(Equivalent to SM-6 B- Coil 4.5hz)

ST-10PN

(Equivalent to SM-24,10hz,375ohm)

ST-10N

(Equivalent to SM-4,10hz)

ST-32CT

(Equivalent to GS-32CT)

ST-20DX

(Equivalent to GS-20DX,10hz)

ST-14N

(Equivalent to SM-4,14hz)

Natural frequency ( Hz ) 4.5±10% 10±2.5% 10±5% 10±2.5% 10±5% 14±5%
Open circuit damping 0.6±5% 0.25 0.271 0.316 0.30 0.2
Damping with Shunt Resistor \ 0.6+0%,~5% 0.60±5% 0.698±2.5% 0.707±5% 0.6±5%
Open Circuit Intrinsic Voltage Sensitivity(v/m/s) 28.8±5% 28.8±2.5% 28.8±5% 27.5±2.5% 28.0±5% 28.8±5%
Sensitivity with Shunt Resistor(v/m/s) \ 22.5±2.5% 22.7±5% 19.7±5% 20.0±5% 18.2±5%
Coil Resistance (ohm) 375±5% 375±2.5% 375±5% 395±5% 395±5% 375±5%
Harmonic Distortion ( % ) ≤0.2 ≦0.1 ≦0.2 ≦0.1 ≤0.2 ≦0.2
Typical Spurious Frequency ( Hz ) ≥240 >240 ≧240 ≧250 ≥200 ≧240
Moving Mass ( g ) 11.3 11.0 11.3 11.2 11.0 11.6
Max.coil excursion p-p (mm) 4.0 2.0 2.0 1.5 1.5 2.0
Max.tilt angle 20º 10º 20º 10º 20º 20º
Element Diameter (mm) 25.4 25.4 25.4 25.4 25.4 25.4
Element Height (mm) 36.0 32.0 32.0 33.3 33.5 32
Element Weight (g) 86.0 87.0 74.0 89.0 87.0 74
Operating Temperature (℃ ) -40℃ to + 100℃ -40℃ to + 100℃ -40℃ to + 100℃ -40℃ to + 100℃ -40℃ to + 100℃ -40℃ to + 100℃
All parameters specified herein are rated at a temperature 20℃±2℃

 

– 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, 8Hz, 10Hz, 14Hz, 15Hz, 28Hz, 30Hz, 38Hz, 40Hz, 60Hz,80Hz and 100Hz.

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