The methods of construction structure, technical and metrological characteristics, and the results of uncertainty analysis for the state primary electronic power unit standard in the frequency range from 1 to 2500 Hz are described.

The method of qualification tests of satellite-communication earth stations, providing a simultaneity of their performance for several stations at parallel processing of data from measuring equipment and on board space ship retranslation complex is considered. The results of studies of system response delay time on inquiries from operators depending on the number of organized working places are described.

A fast-acting digital algorithm to compute the estimates of correlation function n -order moments is developed. The algorithm is based on using as primary digital conversion of rundom process under study the sign analog-stochastic quantization

Pose and solve the problem in the application of linear cyclic error-correcting codes in converters of angular and linear movement with combinatorial code scales. It is shown that the formation of error-correcting codes can only be achieved by introducing redundancy in the number of sensing elements without introducing additional code tracks.

The new optoelectronic method of contactless surface profile measurement of three-dimensional large-size complex shape objects with use of structurized illumination, phase triangulation and phase images interpretation with step-by-step shift is suggested. The method is differing by reliability and resistance to changes of objects surface optical properties over a wide range and to additive noise on images.

A new method of temporal conversion of the component linear dimension used in pneumatic measuring device with measurement chamber discharged through an output throttle is considered. The area of through passing cross-section depends on the component dimention. An analytic model to estimate the measurement error and speed of the method is proposed. This error does not exceed ±0,5 μm within the measurement interval 30-300 μm and the duration of measurement does not exceed 0,5 s.

The certain versions of multichannel conveyor-type balances configurations are considered. A procedure of verification of multichannel conveyor balances using the reference weight is presented. It is shown that multichannel conveyor balances may be represented by a combination of two-channel conveyor balances during calibration by reference weight without stopping the technological process.

Demonstrated singleton UV photodetector based on diamond, which is used in spectrophotometric equipment. This photodetector has spectral photosensitivity characteristic depending on the magnitude of the applied bias voltage. Presents the spectral characteristics of photosensitivity of the photodetector obtained experimentally.The possibility of using such photodetectors for systems analysis of the composition of multi-component mixtures and the use of photodetectors in spectrometry.

The article considers an adjustment procedure of solar simulator based on a combined two-channel source of radiation by parameters energy irradiance and spectral density of energy irradiance with use of two reference photoelectric modules. The calculation of uncertainty of solar simulator calibration by irradiance with taking into account the irradiance spectral density correction is carried out.

The possibility of reduction of temperature scale realization uncertainty by means of taking into account the correlation beetween resistors during resistance thermometers calibration and at temperature measurement is considered. It is shown that if all resistors during calibration and measurement have the same error, it does not affect the uncertainty of ITS-90 temperature scale. The equations for temperature scale uncertainty calibration with taking into account the correlation beetween the resistors, obtained as a result of modeling, are presented.

The procedure of determination of metrological characteristics of temperature calibrators using a fixed point of indium hardening in miniature ampoule and multijunction differential thermocouple has been proposed and experimentally studied. It enables to determine the error of reproducible by calibrator temperature values and its heterogeneity and instability.

Frequency dependences of acoustic signal were measured and theoretically calculated. The conventional approximation of frequency dependence of acoustic signal by Lorentz function was compared with theoretically calculated dependence. The shift of temperature determined from acoustic resonance up to 1 mK was predicted due to the deviation of the shape of acoustic resonance maximum from Lorentz function.

The problems of measurement of high density heat fluxes in fire modeling are considered. The existing methods and devices for heat flux measurement in fire laboratories are analyzed. The disadvantages of existing solutions are described. The device and method of its calibration are suggested.

On the basis of investigations carried out for the period of exploitation of the primary measurement standard of Ukraine DETU 06-03-96, the directions of development of non-contact thermometry methods are considered.

The influence of the initiation method of inner liquid-solid interface in a cell of In fixed point on interface structure and the measured value of freezing temperature have been studied. The estimations of heat flux density by different methods of the inner liquid-solid interface initiation are received. Conditions of the optimum initiation for the exception of undesirable thermal communications between the thermometer well and cell walls are defined.

This principle of operation and major causes of instability of tensometric thin-film strain gauge pressure sensors, operating hard service conditions, have been considered. The new design solutions of high sensitivity thermostable strain gauges with application of new materials are suggested. The new technology methods for increase of thin-film strain gauge pressure sensors parameters are presented.

The parametric errors data for temperature measurement with IR instruments due to inaccuracy of external parameters assignments is presented. These parameters are: emissivity, air transmission coefficient, temperature of reflected radiation, air temperature. By the examples for operating wavelength ranges 8,0-14,0 and 1,0-1,6 mm are shown the dependence of error of measurement of the external parameters and the measured temperature.

The main ideas about physical processes of video signal formation in scanning microscope SEM are shortly described. On these ideas and corresponding quantitative expressions (the analytical model) is built a new “library” algorithm of video signal modeling in SEM. The testing of given algorithm shows its acceptable accuracy, the detailed conformity of model video signals to their experimental analogues. The unsurpassed high productivity is achieved: less than one second is spent on calculation of model video signal consisting of 2.5 thousand points using the ordinary PC! It is many thousands times faster than the modelling by using the widely spread Monte Carlo method.

The procedure and results of interlaboratory comparison of national standards in the field of underwater sound measurements are described. The comparison was organized by National Institute of Ocean Technology, India, with participation of national standards of Russia and Germany. The description of standard calibration instullations and methods used by participants for calibration are presented and the influence of water temperature variation on calibration is discussed.