Appendix A Product Specifications
Optical and Read Performance Parameters
Parameter | Specification | |
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Scanning Width | 2” wide at 1” from scanner | |
6” wide at 7” from scanner | ||
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Minimum Resolution | 4mil minimum element size | |
(at some distance, no implied DOF) | ||
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| 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 | |
Depth of Field | 55 mil — 2 to 80”/5.1 to 203.2 cm | |
(75% read rate; 90% PCS; |
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Code 39 with 2.5:1 W/N | Minimum distance determined by symbol | |
ratio except for 13 mils) | 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. | |
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Minimum Print Contrast Ratio | 20% | |
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Skewa (Yaw) | ± 60° | |
Pitcha. | ± 65° | |
Rolla. | ± 40° |
a.DOF will be reduced whenever the label is not perpendicular to the optical axis.
Product Reference Guide |
