Standard Test Method for
Calibration of a Spectroradiometer Using a Standard Source
This wellknown is issued beneath the fixed designation g 138; the quantity right now following the designation suggests the yr of
unique adoption or, in the case of revision, the year of remaining revision. quite a number in parentheses indicates the 12 months of closing reapproval. a
superscript epsilon (e) suggests a piece of writing trade because the ultimate revision or reapproval.
click below to download Astm G 138 – 03 pdf free
click here to download Astm G 137 – 97 (Reapproved 2003) pdf free