O. V. Isaeva - Research Engineer, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: olyashnova@rambler.ru A. V. Kashin - Dr.Sc. (Eng.), Deputy Chief Designer, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: aKashin@niiis.nnov.ru Ye. A. Shorokhova - Dr.Sc. (Phys.-Math.), Leading Research Scientist, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: eaShorokhova@gmail.com