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

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RMT-M system


on request
Item ID: rmt-m


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Main features:
  • Mobility and high efficiency
  • Possible to operate on water areas and any road surface
  • Capacitive coupling type
  • Depth of investigation up to 30-50 m

Radiomagnetotelluric sounding (RMT) in motion is used on water areas and land and uses signals of radio stations in 10-1000 kHz frequencies range as transmitting signal. A compact vehicles are used to perform soundlings: cars, off-road vehicles, boats.  Graphs of resistivity and phase of the impedance distribution are shown as a result of measurements.

RMT is used:

  • To perform rapid geological investigations,
  • To search for mineral deposits,
  • Hydrogeological investigations,
  • Engineering investigations,
  • Ecological investigations.

The main features of the system are:

  • Possibility to record time sequences or magnetic and electric fields’ spectrograms;
  • Fast data quality control;
  • Possibility to save observed data to built-in memory or external PC.

The use of capacitive line allows to perfoerm investigations at any time of the year on any surface, including snow, ice, soil, asphalt, concrete, pebbles etc. Mathematical model of plane wave permits to interpret data in 1-2 up to 30-50 m depth of investigation range. With the speed of surveying 8-10 km/h and step 20-30 m between soundings, RMT-M system allows to get 40-50 km of data (profiles) per day. 

Recorder M-K5-SM25:
Number of synchronous channels 5
ADC 16 bits
Range of input signals ± 1000 mV
Frequency range 1-1000 kHz
Sampling rates 39, 312, 832, 2496 kHz
Built-in memory not less than 4000Mbytes
Data unloading channel Ethernet
Display LCD, monochrome, 320 x 240 pixels
Keypad 18 keys
GPS support YES
Volume of the built-in 12 V accumulator 5 А*hours
Voltage of power supply, V 11…15
Resource (on the built-in accumulator) not less than 8 h
Operation temperature range -20 … +50 °С
Dimensions 340 x 295 x155 mm
Weight 5 kg
Magnetic sensor:
Frequency range 1-1000 kHz
Transfer constant 20 mV/nT
Dimensions 32 mm (diameter) / 220 mm (length)
Weight 0.3 Kg
Voltage of external power supply 7-10 V
Current consumption 5 mA
Cable length 4 m
Frequency range 1-1000 kHz
Input resistance 2 MOhm
Voltage of external power supply 7-10 V
Cable length 4 m
All year round
marin, land, borehole
1D, 2D, 3D, 4D