Datalogic Matrix 220

DIRECT PART MARKING APPLICATIONS
PRODUCT REFERENCE GUIDE 139
Code Contrast
In the images below, the contrast of the code with respect to the surface material is suf-
ficient to overcome the glare of the Non Polarized and Diffused illuminators. However,
for
the Polarized illuminator the contrast is not sufficient no matter what the position in
the FoV.
Application Characteristics Non Polarized Illuminator
Reading a Data Matrix code etched
on a metal surface (fuse)
OK
Application Characteristics Polarized Illuminator
Reading a Data Matrix code etched
on a metal surface (fuse)
No Read
Application Characteristics Diffused Illuminators
Reading a Data Matrix code etched
on a metal surface (fuse)
OK