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ASTM C1371-04

Historical Revision

Standard Test Method for Determination of Emittance of Materials Near Room Temperature Using Portable Emissometers

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1.1 This test method covers a technique for determination of the emittance of typical materials using a portable differential thermopile emissometer. The purpose of the test method is to provide a comparative means of quantifying the emittance of opaque, highly thermally conductive materials near room temperature as a parameter in evaluating temperatures, heat flows, and derived thermal resistances of materials.

1.2 This test method does not supplant Test Method C 835, which is an absolute method for determination of total hemispherical emittance, or Test Method E 408, which includes two comparative methods for determination of total normal emittance. Because of the unique construction of the portable emissometer, it can be calibrated to measure the total hemispherical emittance. This is supported by comparison of emissometer measurements with those of Test Method C 835 ().

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.


SDO ASTM: ASTM International
Document Number C1371
Publication Date April 1, 2004
Language en - English
Page Count 8
Revision Level 04
Supercedes
Committee C16.30
Publish Date Document Id Type View
March 1, 2015 C1371-15 Revision
Sept. 1, 2004 C1371-04A Revision
April 1, 2004 C1371-04 Revision
Nov. 10, 1998 C1371-98 Revision
May 1, 2022 C1371-15R22 Reaffirmation
Nov. 1, 2010 C1371-04AR10E01 Reaffirmation