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Science 26 July 1968:
Vol. 161. no. 3839, pp. 368 - 369
DOI: 10.1126/science.161.3839.368
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Articles

Dielectrically Heated Sensor of Water-Vapor Pressure

G. F. Byrne 1 and C. W. Rose 1

1 Division of Land Research, Commonwealth Scientific and Industrial Research Organization, Canberra, Australia

Existing psychrometers of small dimensions cannot provide accurate long-term measurements of water-vapor pressure without frequent maintenance and recalibration. A small, simply constructed instrument employing dielectric heating and avoiding many of the problems of available sensors is described. The calibration curve depends only on the pressure-temperature curve for saturated lithium chloride.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)