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/USB Resistivity System

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

Within last 6 years it is made and sold to customers about 200 devices of this series.


  • 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 LCD 16x2, the keyboard 4x4, internal flash memory, interface USB
  • 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/USB 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/USB» specifications

Output Power:

up to 30 W

Output Current:


Maximum Output Voltage (transmitter):

up to 300 V

Input Impedance:

10 MΩ

Input Voltage Range

up to 10 V

Input Resolution

10 μV

Dynamic Range

84 dB
Frequencies of measurement 0; 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 Compensation

0 to 1 V, automatic

Stacking of a signal

2, 4, 10 the periods

Overall Accuracy

± 1..1,5 %


IP67 environmental protection (waterproof)

Memory Capacity

2048 (or 4096) readings



Operating Temperature:

-20°C to +55°C

Power Supply:

Rechargeable dry lead acid batteries (=12V)

Connection of the external battery


305×270×194 mm


≈ 7 kG (with the internal battery)
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NTK «Diogen» and logo «Diogen» are registered trade marks NTK «Diogen».
Last update: 04 November 2009