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International Key Comparison Is Carried out in NIM


International Key Comparison-CCEM.RF-K25.W: RF Power From 33 to 50 GHz In Waveguide is carrying out in NIM.


Within this new key comparison, both effective efficiency and calibration factor, i.e. the characteristic quantities of RF power sensors, are to be determined at 18 frequencies between 33 GHz and 50 GHz. The pilot laboratory has selected two thermistor power sensors as travelling standards, both of which operate in the R400 waveguide band (33 to 50 GHz).


The comparison standards are measured with our new developed 33 to 50 GHz microcalorimeter.