Ugra Offset Plate Control Wedge 1982

Description

The «Ugra Offset Plate Control Wedge 1982» is intended for controlling the platemaking process in lithography. Furthermore, it is possible to use the wedge for some evaluations in the proofing process and for printing tests.
On the printing plate the following criteria can be evaluated:

• Exposure
• Exposure latitude
• Optimum resolution
• Gradation
• Rendering of halftone dots

• Slur and doubling
• Tone reproduction

• Explication for the determination of K-value (PDF)
• Diagram for the determination of K-value (PDF)