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ASTM E1918-97

Заменен
Standard Test Method for Measuring Solar Reflectance of Horizontal and Low-Sloped Surfaces in the Field (Withdrawn 2006) — 3 стр.
Причина отмены

This test method covers the measurement of solar reflectance of various horizontal and low-sloped surfaces and materials in the field, using a pyranometer. The test method is intended for use when the sun angle to the normal from a surface is less than 45.

Formerly under the jurisdiction of Committee D08 on Roofing and Waterproofing, this test method was withdrawn in January 2006 in accordance with section 10.5.3.1 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

Область применения

1.1 This test method covers the measurement of solar reflectance of various horizontal and low-sloped surfaces and materials in the field, using a pyranometer. The test method is intended for use when the sun angle to the normal from a surface is less than 45 degrees.

ICS
17.180.20 Colours and measurement of light / Цветовые и световые измерение
Сборник ASTM
04.04 Roofing and Waterproofing / Кровельные покрытия и Гидроизоляционные материалы
Тематика
Roofing