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ASTM D4230-83(1996)e1 Standard Test Method of Measuring Humidity with Cooled-Surface Condensation (Dew-Point) Hygrometer
standard by ASTM International, 04/10/1996
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1.1 This test method covers the determination of the thermodynamic dew- or frost-point temperature of ambient air by the condensation of water vapor on a cooled surface. For brevity this is referred to in this method as the condensation temperature.
1.2 This test method is applicable for the range of condensation temperatures from 60