FIELD: measurement equipment.
SUBSTANCE: device comprises serially connected a unit (1) of formation of stepped impact of temperature at a temperature detector with temperature and signal outputs, a temperature detector (2), a measuring converter (3), a subtracting unit (4), a unit (5) of signal conversion from a temperature detector into an attenuating pulse signal and a spectrum analyser (6). The second input of the subtracting unit (4) is connected to a controlled source (7) of a permanent signal level. The signal output of the unit (1) of formation of stepped impact of temperature at the temperature detector is connected to the second input of the unit (5) of signal conversion from the temperature detector into the attenuating pulse signal.
EFFECT: increased accuracy of determination of dynamic characteristics of a temperature detector due to production of amplitude spectrum of a signal generated in a device and related to sought characteristics.
9 dwg
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