Abstract
A fluidic temperature device, designed by and obtained from The Harry Diamond Laboratories, was tested for stability when subjected to a variation of moisture content in an air stream. The device proved highly stable over a wide range of moisture contents. Slight variations in frequency were consistent with the variation predicted by the ideal gas behaviour of an air-water vapour mixture. The device is stable enough to be calibrated with dry air and corrected to any other humidity condition by application of the thermodynamic equations governing ideal gas mixtures.
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