PSC 7000 User Manual

Page of 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
°
± 65
°
Roll
± 40
°