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Multi-Geophone String for Desert and Snow Field

Assorted Multi Geophone Strings equipped with tripods and specially designed for Desert and Snow Field and 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 : plain, hill, desert, snow field and etc.
2) Compact structure, small size, light weight and easy maintenance.

IV. Geophone String Types:

Detaield types of geophone array / geophone string selectable are as follows: single geophone 1hz, single geophone 2hz, single geophone 2.5hz, single geophone 3hz, single geophone 4hz, single geophone 4.5hz(SM-6 B coil 4.5hz equivalent geophone), multi geophone string 4.5hz(SM-6 B coil 4.5hz equivalent geophone), multi geophone sttring 8hz(SM-4 8hz equivalent geophone and 20DX-8hz equivalent geophone available), 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), geophone string 40hz(SM-4,40hz equivalent geophone and 20DX-40hz equivalent geophone available), geophone string 60hz(SM-4,60hz equivalent geophone and 20DX-60hz equivalent geophone available) and land case geophone100hz 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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