ASTM-D4230 2012

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D4230-02(2012) Standard Test Method of Measuring Humidity with Cooled-Surface Condensation (Dew-Point) Hygrometer

Published By	Publication Date	Number of Pages
ASTM	2012	6

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Category: ASTM

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Description

ASTM D4230-02-Reapproved2012

Historical Standard: Standard Test Method of Measuring Humidity with Cooled-Surface Condensation (Dew-Point) Hygrometer

ASTM D4230

Scope

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°C to − 70°C.

1.3 This test method includes a general description of the instrumentation and operational procedures, including site selection, to be used for obtaining the measurements and a description of the procedures to be used for calculating the results.

1.4 This test method is applicable for the continuous measurement of ambient humidity in the natural atmosphere on a stationary platform.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 8.

Keywords

dew-point; humidity; hygrometer; saturation; temperature; dew-point; vapor pressure

ICS Code

ICS Number Code 07.060 (Geology. Meteorology. Hydrology)

DOI: 10.1520/D4230-02R12

Additional information

Standard Title	D4230-02(2012) Standard Test Method of Measuring Humidity with Cooled-Surface Condensation (Dew-Point) Hygrometer
Published Code	ASTM
Publication Date	2012
Pages Count	6