Appendix A
Advanced Long-Range Laser Scanner Optical Parameters
Bar Code Specification | Depth of Field / Scanning Range | |
13 mil code** | 7.52 to 9.76 m | 2.47 to 3.2 ft |
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15 mil code | 6.25 to 11.28 m | 2.05 to 3.70 ft |
30 mil code | 10.82 to 22.71 m | 3.55 to 7.45 ft |
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55 mil code | 7.01* to 25.5 m | 2.3* to 8.37 ft |
70 mil code, | 29.11* to 58.27 m | 9.55* to 19.12 ft |
retroreflective |
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100 mil code, | 31.9* to 82.15 m | 10.47* to 26.95 ft |
retroreflective |
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*Near fields are governed by the width of the bar code. This number is based on a single digit Code 39 label.
**UPC only.
ID Linear Imager Reading Distances
Reading distance on the 1D line
Symbology | Density | Density | Min | Max | Min | Max |
| (mm) | (mil) | (mm) | (mm) | (inch) | (inch) |
Code 39 | 0.1 | 4 | 95 | 136 | 3.7 | 5.4 |
| 0.3 | 12 | 45 | 240 | 1.8 | 9.4 |
| 0.5 | 20 | 44 | 300 | 1.7 | 11.8 |
| 1 | 39 | 120 | 400 | 4.7 | 15.7 |
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EAN | 0,33 mm/ | 13 mils/ | 45 | 240 | 1.8 | 9.4 |
| 100% | 100% |
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| contrast | contrast |
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| 0,33 mm/ | 13 mils/ | 61 | 157 | 2.4 | 6.2 |
| 25% | 25% |
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| contrast | contrast |
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Reading distances on the 2D line
Symbology | Density | Density | Min | Max | Min | Max |
| (mm) | (mil) | (mm) | (mm) | (inch) | (inch) |
Code 39 | 0.125 | 5 | 95 | 146 | 3.7 | 5.7 |
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EAN | 0,33 mm/ | 13 mils/ | 60 | 205 | 2.4 | 8.1 |
| 100% | 100% |
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| contrast | contrast |
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108 | CK30 Handheld Computer User’s Manual |
