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A Field Assessment of a Prototype Meter for Measuring the Wet-Bulb Globe-Thermometer Index
  1. J. D. Walters
  1. Royal Naval Medical School, Alverstoke, Gosport, Hants


    A prototype electronic instrument for the direct measurement of the wet-bulb globe-thermometer index is described. An assessment is made of its accuracy, as compared with W.B.G.T. indices calculated from conventional thermometric data, and a comparison is made between W.B.G.T. values read from the meter and effective or corrected effective temperatures derived from separate thermometric and air velocity recording instruments in the same climates. The instrument proved to be reliable and accurate over a wide range of climates and is a useful self-contained device for use in habitability surveys and similar investigations.

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