The emitter is designed to reproduce the radiation temperature in the range from minus 30 to 80 degrees Celsius. The action of the device is based on the laws of Stefan - Boltzmann and Planck, linking the temperature of a black body and the brightness of its radiation.
The value of the cavity temperature is set by means of a regulator having an independent indicator and a contact temperature sensor built into the cavity. For heating of the radiating cavity an electric heater is used.
For cooling - Peltier elements. It is available in two discharges.
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