UHF MICROWAVE BRIDGE TEMPERATURE METER Russian patent published in 2020 - IPC G01K7/24 

FIELD: measuring equipment.

SUBSTANCE: invention relates to devices for measuring temperature and can be used in various fields of engineering. Disclosed is a UHF bridge temperature meter comprising a thermal converter, an amplifier and a first power supply, a first UHF generator with varactor frequency tuning, a second UHF generator with varactor frequency tuning, a third UHF-generator with varactor frequency tuning, a fourth UHF-generator with varactor frequency tuning, a second power supply, a frequency difference meter and a frequency meter. Power inputs of the first, second, third and fourth UHF generators are connected to the first power supply, the third UHF-generator varactor is connected to the second power supply source, thermal converter is connected through amplifier to varactor of fourth UHF-generator, output of energy of third UHF-generator is connected to first input of frequency difference meter and input of frequency meter, output of energy of fourth UHF-generator is connected to second input of frequency difference meter, output of which is output of device.

EFFECT: high accuracy of measuring temperature.

1 cl, 1 dwg