Seismic instruments and electric equipment from NTK «Diogen» - development and production
Seismic instruments and electric equipment from NTK «Diogen» - development and production Electrical exploration equipment Russian

Electrotest-S/ARM Resistivity System

Portable low-frequency computerized the electroprospecting device for work in conditions of industrial handicapes and complex grounding «Electrotest-S»


  • The low-cost and effective device for carrying out of engineering researches.
  • Combined Resistivity Transmitter and Receiver - all in one case.
  • Micro-processor controlled and TFT LCD 640x480/5.6"/ touch screen, interfaces: Ethernet, USB, CAN, external switchboards for "AB" and "MN" on 8, 16, 32, 64 channels.
  • Wide variety of applications whether your application is groundwater, environmental, archaeology or resource exploration. Hydrogeological researches, such as groundwater exploration, migration of ground water pollution.
  • Successful use of the Electrotest-S/ARM in complex conditions of city. Generation and receiving of signals from 0 Hz up to 20 Hz.
  • Any types of electrodes.
  • Internal charger.
  • Internal battery.
  • Operating temperature: -20°C to +55°C, (waterproof)

«Electrotest-S/ARM» specifications

Output Powerup to 50 W
Output Current0,5..250mA
Maximum Output Voltage (transmitter)up to 450 V
Input Impedance10 MΩ
Input Voltage Rangeup to 10 V
Input Voltage Range10 μV
Dynamic Range84 dB
Frequencies of measurement0; 0.625; 1.25; 2.5; 5.0; 10.0; 20.0 Hz;
Range of definition of parameter q, the Ohm within the limits of 5*10-3 ÷ 3.86*103
SP Compensation0 to 1 V, automatic
Stacking of a signals
Overall Accuracy&plusm; 1..1,5 %
Environmental: IP67 environmental protection (waterproof)
The microprocessor: ARM7TDMI-S (16/32 bit)/72 mHz/512 Flash RAM/98 SRAM/CD Card
Interface: Ethernet, USB, CAN
The module with GPS as an option
Operating Temperature: -20°C to +55°C
Power Supply: Rechargeable batteries (=12V)
Connection of the external battery
Dimensions: 305?270?194 mm
Weight: ≈ 5 kG (with the internal battery)
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Last update: 04 November 2009