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

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MERI-24 Receiver


on request
Item ID: meri24


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Main features:
  • Resistivity method
  • Frequency sounding-IP
  • Natural field
  • EMKPK (the fields of commercial frequency and stray currents)

Multifunctional electrical exploration receiver MERI-24 is designed to detect electromagnetic fields produced by electric current flow in the ground.

Using ASTRA-100 transmitter and CommDD2 switchbox electrical resistivity tomography can be performed in automatic mode.

MERI-24 allows operations by the following methods:

•             Resistivity method (the amplitude of signal’s fundamental harmonic is measured),

•             Frequency sounding-IP (the amplitudes of signal’s harmonics as well as the differential phase parameters at the output of the electrical and magnetic sensors are measured over a wide frequency range),

•             Natural field (the constant electrical fields are measured),

•             EMKPK (the fields of commercial frequency and cathodic protection are measured for mapping and studies of underground pipeline conditions).

The receiver is equipped with a LCD display and a keyboard and is power supplied from built-in storage batteries or from an external power supply source. The receiver measures the input signal, processes it, displays the values of the defined parameters on the LCD and saves them in memory. MERI-24 is a lightweight meter, supplied with a special carrying bag that is why it is ideal for electrical profiling, electrical sounding and other survey methods that require constant controller relocation.

ADC 24 bits
Inherent noise level <1 µV
Maximum input supply <2 V
Input resistance 5 MOhm
Built-in nonvolatile memory 8 Mb
PC synchronization interface USB 1.1
Maximum power consumption 2 W
Internal power supply source 6 V / 3 Ah
External power supply source 12 V
Minimum operating time from internal batteries 10 h
Operating frequencies:
First frequency range 0.019, 0.038, 0.076, 0.153, 0.305, 0.610, 1.221, 2.441, 4.883, 9.766, 19.53, 39.06, 78.13, 156.3, 312.5, 625.0 Hz
Second frequency range 0.021, 0.032, 0.042, 0.063, 0.083, 0.125, 0.167, 0.250, 0.333, 0.500, 0.667, 1.000, 1.333, 2.000, 2.667, 4.000, 5.333, 8.000, 10.67, 16.00, 21.33, 32.00, 42.67, 64.00, 85.33, 128.0, 170.7, 256.0, 341.3, 512.0 Hz
Additional frequencies 50, 60, 100, 120 Hz
Operating temperature -20 ... +60 °С
Dimensions 190х150х80 mm
Weight 1.5 kg
All year round
marin, land, borehole
1D, 2D, 3D, 4D