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Relative Humidity Effects on Rectangular Waveguide Thermistor Sensors

Published

Author(s)

Thomas P. Crowley

Abstract

A correlation between the relative humidity nd the effective efficiency of several rectangular waveguide thermistor sensors has been observed. The difference between effective efficiency measurements made at 10 % and 30 % relative humidity can be 10 times the k = 1 reproducibility uncertainty of these devices. The time scale for the effective efficiency change is several days. The effect appears to be reversible. It has not been observed in any of NIST's coaxial calorimeter standards.
Proceedings Title
Conference on Precison Electromagnetic Measurements
Conference Dates
August 24-29, 2014
Conference Location
Rio de janeiro

Citation

Crowley, T. (2014), Relative Humidity Effects on Rectangular Waveguide Thermistor Sensors, Conference on Precison Electromagnetic Measurements, Rio de janeiro, -1, [online], https://doi.org/10.1109/CPEM.2014.6898239 (Accessed April 24, 2024)
Created August 24, 2014, Updated January 27, 2020