method of measurement of the relative values of the specific electrical conductivity of электропроводящих products and device for its implementation

摘要

method of measurement of the relative values of the specific electrical conductivity of u044du043bu0435u043au0442u0440u043eu043fu0440u043eu0432u043eu0434u044fu0449u0438u0445 products comprising four cycle, measuring the output u0441u0438u0433u043du0430 fishing u0432u0438u0445u0440u0435u0442u043eu043au043eu0432u043eu0433u043e transducer, each of which is the consistent excitation transducer at three frequencies, where n 1, and measurement of the respective signals u, Uu0438 Uu043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu044f, where i is the number of dimensionsthe formation of these signals in the first, the second and third cycles of signals adjust the s, Su0438 s correction signals of the converter in the first, the second and third cycles. to meet the conditions of s = 0, s = 0, s = 0, respectively, and memorizing the values u, u, Uu0438 u, with the first and second cycles of measurement during installation of the transducer in the hold u043bu043eu043du043du044bu0439 samplein the second and third cycles are a part of the parameter p, a u0394P and fourth cycle measurements are in the installation on the u043au043eu043du0442u0440u043eu043bu0438u0440 transducer u0443u0435u043cu044bu0439 sample with the fact that, in order to increase the measurement accuracy, the third cycle of measurement during installation of the transducer to conduct reference model, cs u0442u0430u043du0430u0432u043bu0438u0432u0430u044eu0442 value reference voltage u, the signals s,Su0438 Su0444u043eu0440u043cu0438u0440u0443u044eu0442 as s = 2u - u - u, s = u - u + u - u + u, s = u - u - u - u + u, in the first cycle Su043eu0441u0443u0449u0435u0441u0442u0432u043bu044fu044eu0442 correction by u0438u0442u0435u0440u0430u0446u0438u043eu043du043du043eu0433u043e changes values of frequencies u03c9, u03c9u0438 u03c9, find and remember it my u0394U = u - u, the second cycle correction Su043eu0441u0443u0449u0435u0441u0442u0432u043bu044fu044eu0442 by u0438u0442u0435u0440u0430u0446u0438u043eu043du043du043eu0433u043e changes of u0394P, find and remember the u0394U = u - uin the third cycle Su043eu0441u0443u0449u0435u0441u0442u0432u043bu044fu044eu0442 correction by u0438u0442u0435u0440u0430u0446u0438u043eu043du043du043eu0433u043e changes of u0394P, in the fourth cycle, find and remember the u0394U = u - u, and the relative the relative electric conductivity material sample are controlled in u0432u0438u0434u0435u0433u0434u0435; u03c3, u03c3 - the specific electric conductivity material u043au043eu043du0442u0440u043eu043bu0438u0440 u0443u0435u043cu043eu0433u043e and reference samples u0441u043eu043eu0442u0432u0435u0442u0441u0442u0432u0435u043du043du043e.2.device for measuring the relative values of the specific electrical conductivity u044du043bu0435u043au0442u0440u043eu043fu0440u043eu0432u043eu0434u044fu0449u0438u0445 products containing continuously the first switch, which are connected to the u0432u0445u043eu0434u0430u043c three generator, eddy current transducer, consisting of exciting and measuring coils, an amplifier, an amplitude the detector and the second switch, as well as four blocks of memorythe first three of which are connected to the entry of the second switch, three clusters of subtraction, the comparator block light display, a transducer, a control for the output which is connected to the u0432u0445u043eu0434u0430u043c three generators, and the clock generator, the output of which is connected to the first and u0432u0442u043eu0440 u0432u0445u043eu0434u0430u043c wow switches.with the second and third memory blocks are connected respectively with the first and second inputs of first and second blocks of the first block u043fu0430u043cu044fu0442 subtraction. and is connected via a converter to the first block as the entrance, exit which is connected with a control unit and a comparator with a ligh sheet display stand so thatin order to increase the measurement accuracy, it is consistently the source of reference voltage, u0438u043du0432u0435u0440u0442u0438u0440u0443u044eu0449u0438u043c amp, the third u043au043eu043cu043cu0443u0442u0430u0442u043eu0440u043e m and the block size was consistently the first boy, the entrance of which is connected to the gate and the second comparator, u043eu0434u043du043eu0432u0438u0431u0440u0430u0442u043eu0440u043eu043c boy, way over it is connected to the entrance of the third switch.a computing device, a second comparator, a delay line, an indicator of zero and a logical element and the second block, and a subtraction u043fu043eu0434u043au043bu044eu0447 and the fourth block of memory to the first computing device to the first entrance and the second entrance as the third block, which is connected to the exit the block size.the third block is connected with the entrance exit as the indicator zero and the second comparator through a consistent and logical element and with the second entrance w u043eu0440u043eu0433u043e trigger and the first who synchronize trade item by computing device, a second clock input and the fourth unit memory. connected to the outlet u043eu0434u043du043eu0432u0438u0431u0440u0430u0442u043eu0440u0430,solution a first block of memory is connected to the second gate computing device, a second memory unit 4 is connected to the block size, the second bx of the third switch is connected to a source of reference voltage, and the delay line is included between the issuance of the second comparator and the second logical u044du043bu0435u043cu0435 entrance u043du0442u0430 and.