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Multi Geophone String for Land

Assorted Multi Geophone String for Land which are 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) Multi Geophone String for Land 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, 3X4,6X2  or 12X1 optional.
2) Geophone types range from 1Hz to 100Hz are optional but the most widely used type is 10Hz geophones.
3) Geophone strings for land, desert&snow filed, marsh&transition zone are available.
4) Custom leader wire type applicable.
5) Push fit Multi Geophone String for Land connectors Screw fit geophone connectors with  types of 408, KCK, KCL, LCK and Kooter are available.

III. Features:
1) Suitable Working Field: plain, hill, mountain, desert, snow field, marsh and transition zone, etc.
2) Compact structure, small size, light weight and easy maintenance.

Click here and download Drawing and Wirking Diagram for a typical 20DX land geohpone string or contact us and get special discounts.

download

For any inquiries, please contact with our Marketing Team at [email protected] or Supporting Team at [email protected].

MAIN TECHNICAL PARAMETERS

Multi Geophone String for Land Product Parameters

Type ST-4.5N

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

ST-10PN

(Equivalent to SM-24,10hz)

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℃.

– 3-year limited warranty on basic elements 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 geophones.

*  Specifications are subject to change without prior notice.

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