ASTM E1918-97

ASTM E1918-97 - 10.12.1997

1. Scope

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.

2. Referenced Documents

E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E177-20	Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods