<p>This International Standard defines requirements for a half-tone certified reference material which may be used for the opaque area percentage calibration of transmission densitometers or colorimeters for use in the graphic arts.</p>
<p>This International Standard is not applicable to the calibration of transmission densitometers in terms of ISO standard diffuse density.</p>
<p>NOTE Test methods for determining the opaque area percentage are given in the informative annex A.</p>
Registration number (WIID)
1854
Scope
<p>This International Standard defines requirements for a half-tone certified reference material which may be used for the opaque area percentage calibration of transmission densitometers or colorimeters for use in the graphic arts.</p>
<p>This International Standard is not applicable to the calibration of transmission densitometers in terms of ISO standard diffuse density.</p>
<p>NOTE Test methods for determining the opaque area percentage are given in the informative annex A.</p>
