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Equipment & Software for Geophysical Surveys: Design, Manufacture, Support, Supply
Equipment & Software for Geophysical Surveys: Design, Manufacture, Support, Supply

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Seismograph SGD-SEL

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Item ID: sgd-sel

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Main features:
  • 12, 24 or 48 registration channels
  • Service channels
  • Built-in computer
  • Data transfer to USB drive
  • Availability to install an internal battery

SGD-SEL is a portable linear multichannel seismic station designed to carry out engineering geophysical surveys with methods of seismic reflection profiling, common depth point, microseismogram logging, vertical seismic profiling, crosshole seismic testing, MASW, seismic microzonation and to study upper part of the section. Shockproof construct, built-in control unit with a contrast display and tightly sealed special keyboard increase the reliability level and convenience of work with seismic station.


In addition to the standard sources of signal excitation in near-surface seismic survey (of “weight drop”, “sledgehammer”, “single-shot” types), the station supports operation with Geoton electrodynamic pulsed sources.


An important feature of seismic station is the availability of service data logging channels that allow recording the triggering pulse. When performing the postprocessing, the information from service channels can be used to correct time breaks.


Various versions of the seismic station are available for delivery:
  • 12, 24 or 48 registration channels
  • with built-in battery (only for 12- and 24-channel versions)
  • with the possibility to increase the registration channels by installing additional ADC boards (for a 24-channel version without a built-in battery)

Application domain and purpose:
  • Engineering surveys with seismic methods, systems of seismic monitoring on industrial objects, etc.
  • Preamplification, analog-to-digital conversion, accumulation and storage of recorded data.
  • Display of registered data on the built-in graphic indicator screen.
Number of channels 24 or 48
ADC 24 bits
Instantaneous dynamic range 105 dB
Gain 1; 2; 4; 8; 16; 32; 64; 128 or 256 dB
Sampling period 0.125; 0.25; 0.5; 1; 2 ms
Bandwidth 0-199 (398, 796,1592 и 3184) Hz
Maximum record length 340*2000 readings
Maximum signal amplitude at minimum gain ±1.25 В
Inherent noise level <0.15 µV
Nonlinear-distortions coefficient <0.001 %
Mutual influence of channels >110 dB
Common-mode rejection ratio >100 dB
Operating temperatures -30 ÷ +70 °С
Line control interface weight 5.5 or 4 kg
Line control interface dimensions 340х295х152 mm
SGD-SEL48M_2015_09_ENG.pdf 921.67 kb 27 October 2016, 11:32

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Item ID: wilton

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Item ID: fiberglasshummer

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Item ID: plate

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Item ID: tamper

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€12,500
Item ID: jack__500

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Are designed to provide functioning of sparkers of different types

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Item ID: ws__f100

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Are designed for induction of high-frequency seismic pulses during seismic surveys on water areas (FWS/SWS).

  • Stable impulse

  • Replaceable electrode groups

  • Adjustable depth

  • Designated cable

  • Stainless steel frame

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Item ID: p-s-bh__Pulse

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Sparker source Pulse is used to excite pressure (P) waves in water-filled wells during crosshole seismic testing (CST) and vertical seismic profiling (VSP). The operation of the Pulse source is provided by the power supply Jack.

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Item ID: sh-bh

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The borehole source SHock is utilized to generate pressure (P-) and shear waves of horizontal polarization (SH-waves) in wells while performing the operations through crosshole seismic testing (CST) and reverse vertical seismic profiling (RVSP) methods. The power supply Jack is used as the source of energy.

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on request
Item ID: pikad

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Item ID: pikampu

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on request
Item ID: 12k

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on request
Item ID: wss-1

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on request
Item ID: awd40

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  • Compact design
  • High energy of pulse
  • Ideal repetition of impacts
  • Hammers of different weights

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on request
Item ID: awd33

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  • Compact design

  • High energy of pulse

  • Ideal repetition of impacts

  • Hammers of different weights

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on request
Item ID: 40ps

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  • Excitation of longitudinal and transverse waves
  • Compact design
  • High energy of pulse
  • Ideal repetition of impacts
  • Hammers of different weights

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on request
Item ID: 33ps

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  • Excitation of longitudinal and transverse waves
  • Compact design
  • High energy of pulse
  • Ideal repetition of impacts
  • Hammers of different weights

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Item ID: radexpro__Start

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Price:

€2,600
Item ID: zondst3d

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