PSC LINEAR IMAGER 7000, Product Reference Manual

Page: 185 / 212

Product Reference Guide
A-1
Appendix A
Product Specifications
Optical and Read Performance
Parameters
Parameter Specification
Scanning Width
2” wide at 1” from scanner
6” wide at 7” from scanner
Minimum Resolution
4mil minimum element size
(at some distance, no implied DOF)
Depth of Field
(75% read rate; 90% PCS;
Code 39 with 2.5:1 W/N
ratio except for 13 mils)
5 mil — 3 to 6”/7.6 to 15.2 cm
7.5 mil — 2 to 16”/5.1 to 40.6 cm
10 mil — 1.5 to 22”/3.8 to 55.9 cm
13 mil — 1 to 30”/2.5 to 76.2 cm
20 mil — 1 to 42”/2.5 to 106.7 cm
55 mil — 2 to 80”/5.1 to 203.2 cm
Minimum distance determined by symbol
length and scan angle. Printing resolution, con-
trast and ambient light dependent.
13 mil DOF based on UPC. All others are Code
39. All labels grade A, minimum illumination:
300 Lux, 20
°
C, label perpendicular to the opti-
cal axis.
Minimum Print Contrast Ratio 20%
Skew
a
(Yaw)
a. DOF will be reduced whenever the label is not perpendicular to the optical
axis.
± 60
°
Pitch
a.
± 65
°
Roll
a.
± 40
°