METHOD AND DEVICE FOR CALIBRATION OF THERMOMETER IN PLACE Russian patent published in 2020 - IPC G01K15/00 G01K7/34 

FIELD: measurement.

SUBSTANCE: invention relates to measurement equipment and can be used for determination and/or monitoring of working medium temperature. Disclosed is device (1) for determining and/or monitoring temperature of working medium (5), comprising at least one temperature sensor (7), one reference element (8) for calibration in place and/or validation of temperature sensor (7) and electronic unit (4). Reference element (8) at least partially consists of material (11, 15), in which in temperature range relevant for calibration of temperature sensor (7), at least one phase transition occurs, at least, at first specified temperature of phase transition (T_ph), in which material (11, 15) remains in fixed phase. According to the invention, electronic unit (4) is designed to load the reference element with a dynamic excitation signal (U_A,dyn). In addition, this invention relates to calibration and/or validation of temperature sensor based on device according to this invention.

EFFECT: technical result is possibility of direct fixation of corresponding characteristic parameters, which are dependent on phase transition.

15 cl, 7 dwg