Applied Physics and Mathematics Annotation << Back Mathematical modeling of metrological characteristics of reflector manovacuummeter Samkharadze T.G. Buzanovskii V.A. Theoretical consideration of the basic metrological characteristics of a reflector manovacuummeter is carried out in the article. Mathematical expressions for the real and nominal static transformation functions of this device, mathematical expressions for the measurement sensitivity, mathematical expressions for the estimation of absolute and relative measurement errors, mathematical expressions for the estimation of systematic and casual components of a relative measurement error are developed. The analysis of the developed mathematical description is carried out. The results of the analysis are determination of the factors influencing measurement sensitivity and the basic sources of an measurement error (deviations from nominal values of i) power of a electromagnetic wave source, ii) reflection factor of a “thin” plate of measuring chamber, iii) length of a tube of measuring chamber (distance between a electromagnetic wave source and receiver), iiii) diameter (thickness) of a “thin” plate, iiiii) transformation function of a electromagnetic wave receiver, iiiiii) transformation function of an amplifier). Key words: manovacuummeter, pressure, vacuum, reflector, electromagnetic wave, metrological characteristic, static transformation function, measurement sensitivity, measurement error. Contacts: E-mail: tg1307@mail.ru Pp. 39-51.