2020-05-13

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Black-body radiation is the thermal electromagnetic radiation within or surrounding a body in thermodynamic equilibrium with its environment, emitted by a black body (an idealized opaque, non-reflective body). It has a specific spectrum of wavelengths, inversely related to intensity that depend only on the body's temperature, which is assumed for the sake of calculations and theory to be uniform and constant.

In infrared temperature measurement applications, blackbody is used as a temperature calibrator. Blackbody is used to calibrate the temperature measurement camera continuously to ensure the accuracy of temperature measurement. The blackbody is installed in the field of view of the camera, and the latter performs temperature measurement Measure, and use this as a benchmark for real-time temperature calibration to ensure that the temperature measurement accuracy is stable at about 0.3 degrees.