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

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Electrical tomography set MEDUSA-SKAT+switchbox CommDD2

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Item ID: medusa-scat_commdd__start48

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Main features:
  • Wide frequency range
  • Output current of the transmitter unit — up to1 A
  • Maximum output power – 200 Watts
  • Two-channel recorder
  • Grounding resistance control
  • Automatic switching of electrodes
  • Any types of measurement arrays
  • Wide range of operation temperatures (-40...+50⁰С)

Geoelectrical complex that consists of the recorder SGD-EEM MEDUSA and transmitter SGD-EGC SKAT III and switchbox CommDD2 is intended for geophysical studies with the variety of techniques such as:

  • Direct current methods
  • Electrical resistivity tomography
  • Induced polarization
  • Frequency sounding
  • Self potentials

Recorder SGD-EEM MEDUSA is designed to measure values of the electric potential and current for slowly varying signals, as well as to measure the amplitude and phase characteristics of the harmonic components of the periodic signal.

The recorder is equipped with a precise built-in clock generator.

Current transmitter SGD-EGC SKAT III is designed to produce electromagnetic bipolar rectangular pulses (with adjustable duty cycle) in the frequency band 0.019 - 625 Hz (1–1000 mA current range).

The switchbox  CommDD2 as being a part of the complex, makes possible the fulfillment of high-resolution ERT studies. It allows to commutate the receiving and transmitting lines without any limitations. There are 2 possible ways to switch electrodes on the lines — manually or automatically using the predefined protocol of any measurement array. The switchbox allows the use of any signal accumulation protocol available for linear or areal measurements in electrical resistivity tomography.

Zond Software is a ready solution can be applied at all stages of geophysical studies from mathematical modelling and making of measurements protocols to 3D data inversion. ZondProtocol allows one to create protocols of any complexity, combining any types of ERT electrodes array. Depending on the average resistivity of the rocks and the minimum response level, the software select optimal parameters of electrodes array. 

ZondRes2D and ZondRes3D represent ready solution for resistivity and IP imaging, and solves wide range of problems from mathematical modeling and sensitivity analysis to quality control, field data processing and 2D and 3D inversion. Convenient interface and variety of data visualization features allow to solve wide range of geological problems with maximum effectiveness.

Area of application:
  • Geophysical prospecting
  • Hydrogeological studies
  • Geotechnical studies
  • Environmental studies
  • Archaeology
Delivery set:

The delivery set can be modified by special request.


SCAT III transmitter:
Maximum output power 200 W
Maximum output voltage ±1 500 V
Maximum output current Up to 1 A
Operating temperature -40 - +50 °С
MEDUSA receiver:
Input impedance > 60 MOhm
Input voltage range ± 10 V
Accuracy better than 1 %
Operating temperature -40 - +70 °С
Dimensions 210 x 110 x 70 mm
Weight (without batt.) < 1.2 kg
CommDD2 switchbox:
Current in AB line up to 2 A
Maximum input voltage 400 V
Operating temperatures -20 … +50 °С
CNumber of switching electrodes 48/64 (up to 256 on request)
Connection to PC interface USB 2.0
Protection of electrical equipment IP-65
Overall dimensions 200x170x75 mm
Weight of set 1,5 kg
Transmitter SGD-EGC200_SKAT_2015_12_V4_eng_№036.pdf 862.35 Кб 22 February 2017, 15:15
CommDD2.zip 320.01 Кб 02 March 2016, 12:26
USB_drivers_MEDUSA.rar 14.52 mb 21 October 2016, 12:27
Программа для смены прошивки устройств НПК СИБГЕОФИЗ ПРИБОР.rar 181.22 Кб 21 October 2016, 12:30
Программа для чтения записей измерителя MEDUSA.rar 196.18 Кб 21 October 2016, 12:30

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Cable-electrode connector

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€2,200
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