Title :
Thermocouple Ammeters for Ultra-High Frequencies
Author_Institution :
Weston Electrical Instrument Corporation, Newark, New Jersey
Abstract :
Thermocouple ammeters are shown to have errors at frequencies from 10 to 100 megacycles depending almost entirely on the skin effect in the heated member. The use of a tubular heater of suitable dimensions is shown to reduce the error to smaller acceptable values.
Keywords :
Ammeters; Current measurement; Frequency; Instruments; Resistance heating; Skin effect; Strips; Temperature; Thermal resistance; Wire;
Journal_Title :
Radio Engineers, Proceedings of the Institute of
DOI :
10.1109/JRPROC.1936.228039
