the invention provides method and system for calibration of gas flow using flow sensor apparatus for \u0438\u043d\u0433\u0430\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e anesthetic method includes trail it steps: a gradual increase in the speed of the gas flow on several machines for \u0438\u043d\u0433\u0430\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e anestheticupon reaching the preset conditions, collects the voltage sensor the calculation of the average voltage of \u0442\u043e\u043a\u043e\u0441\u044a\u0435\u043c\u043d\u044b\u0445 t \u043e\u0447\u0435\u043a for each apparatus for \u0438\u043d\u0433\u0430\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e anesthesia, which is a voltage sensor flow by default the division of this curve to the mind \u043e\u043b\u0447\u0430\u043d\u0438\u044e 3 period.which are selected for the collection of four point calibration voltage for each point of calibration, calculation of the collected voltage and values differences n the default \u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0439 voltage curve for each of the points of calibration, then on the basis of the values of the differences \u0432\u044b\u0432\u0435\u0440\u044f\u0435\u0442\u0441\u044f size r \u0430\u0441\u0445\u043e\u0434\u0430 strip, apparatus for \u0438\u043d\u0433\u0430\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e anesthesia.based on the method an example of the application of the invention by dividing into sections are determined by the calibration curve, and on the basis of the voltage on the default value difference voltage calibration points is determined by the gas flow in the other \u0442\u043e\u043a\u043e\u0441\u044a\u0435\u043c\u043d\u044b\u0445 locations, allowing to reduce the complexity of the process. \u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0438, easier to use, but also to ensure the calibration accuracy.Изобретение предлагает способ и систему калибровки расхода газа при использовании датчи