Seismometers, geophones and dataloggers

Innovative molecular-electronic sensors of linear and angular motion and measuring systems






Autonomous wireless data logger module NDAS-8224.

Autonomous wireless data logger NDAS-8226.

The renewed CME-6211 low noise broadband seismometer.




Theoretical part

Switch to Applied and practical


1. Principles of operation and history of the molecular- electronic sensors

An overview written by Safonov M.V. for the R-sensors site, 2011.


2. Technological Principles of Motion Parameter Transducers Based on Mass and Charge Transport in Electrochemical Microsystems

V. G. Krishtop et al.//ISSN 10231935, Russian Journal of Electrochemistry, 2012, Vol. 48, No. 7, pp. 746–755.


3. Operating Principles and Technical Characteristics of a Small-Sized Molecular–Electronic Seismic Sensor with Negative Feedback

Agafonov V.M. et al. //Seismic Instruments, 2014, Vol. 50, No. 1, pp. 1–8.


4. A micro seismometer based on molecular electronic transducer technology for planetary exploration

Hai Huang et al., APPLIED PHYSICS LETTERS 102, 193512 (2013)


5. Experimental Modeling of the Temperature Dependence of the Transfer Function of Rotational Motion Sensors Based on Electrochemical Transducers

V. G. Krishtop //ISSN 1023-1935, Russian Journal of Electrochemistry, 2014, Vol. 50, No. 4, pp. 350–354.


6. Theoretical Analysis of the Solion Polarized Cathode Acoustic Linear Transducer

Larcam C.W. // The Journal of the Acoustical Society of America, 1965, vol. 37, № 4, pp. 644-678.


7. Self-Noise of Molecular Electronic Transducers

V. A. Kozlov, M. V. Safonov //Technical Physics, Vol. 48, No. 12, 2003, pp. 1579–1582


8. Convective Noise in Molecular Electronic Transducers of Diffusion Type

V. M. Agafonov, D. L. Zaitsev //ISSN 1063-7842, Technical Physics, 2010, Vol. 55, No. 1, pp. 130–136


9. Convective Current in a Four-Electrode Electrochemical Cell at Various Boundary Conditions at Anodesr

V. M. Agafonov, A. S. Nesterov//Russian Journal of Electrochemistry, Vol. 41, No. 8, 2005, pp. 880–884. Translated from Elektrokhimiya, Vol. 41, No. 8, 2005, pp. 987–992.


10. Numerical Modeling of a Four Electrode Electrochemical Accelerometer Based on Natural Convection: The Boussinesq Flow Model Vs. The Compressible Flow Model

Zhanyu Sun, Vadim M. Agafonov //ISSN 1023-1935, Russian Journal of Electrochemistry, 2012, Vol. 48, No. 8, pp. 835–842.


11. Computational study of the pressure-driven flow in a four-electrode rectangular micro-electrochemical accelerometer with an infinite aspect ratio

Zhanyu Sun, Vadim M. Agafonov //Electrochimica Acta 55 (2010) 2036–2043


12. 3D numerical simulation of the pressure-driven flow in a four-electrode rectangular micro-electrochemical accelerometer

Zhanyu Sun, Vadim M. Agafonov //Sensors and Actuators B 146 (2010) 231–238


13. The influence of the boundary condition on anodes for solution of convection–diffusion equation with the application to a four-electrode electrochemical cell

Zhanyu Sun et al.//Journal of Electroanalytical Chemistry 661 (2011) 157–161

August, 2017

Presenting brand-new wireless data loggers NDAS from
R-sensors Group.

June 29, 2017

The R-sensors' project for developing broadband seismic and acoustic sensors for marine seismic exploration was approved and financed by the Fund for assistance of small industrial enterprises (FASIE).

February 28, 2017

R-sensors gets approval for the prospective project of developing of hydrophones and combined sensors for marine seismic exploration.

February, 2017

The "IEEE Sensors Journal" published an article by our colleagues "Design and Self-Noise of MET Closed-Loop Seismic Accelerometers".

December, 2016

The Journal of sensors published an article on applications of accelerometers in passive seismic. Molecular-electronic sensors are listed in comparison table.

October, 2016

Presenting two articles by our colleagues dedicated to the further MET sensors studies.

August, 2016

Tests of the wireless seismic station for land-sea transition zones were held in cooperation with IPE RAS at Azov Sea (South Russia).

July, 2016

Successful tests of the one-component strong motion rotational sensor METR-01LS were held.

April, 2016

A series of presentations of the renewed Baykal-CME seismic station were held in India.

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