Ring Imager
The decode distances in this section are based on the current Focus Mode setting in the ring imager. Note that when Far Focus is set, the imager is optimized to read at its far position. With Near Focus, the imager is optimized to read at its near position. Smart Focus toggles the focus position after every frame.
The decode distances in this section are based on the Focus Mode set currently in the ring imager.
PL4407 Near Focus Decode Distances
Symbol Density | Typical Working Ranges | Guaranteed Working Ranges | |||
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Near | Far | Near | Far | ||
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5.0 mil | 3.5 in / 8.9 cm | 7.0 in / 17.8 cm | 4.25 in / 10.8 cm | 6.0 in / 15.2 cm | |
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6.67 mil | 3.75 in / 9.5 cm | 6.0 in / 15.2 cm | 4.5 in / 11.4 cm | 5.75 in / 14.6 cm | |
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7.5 mil | 2.75 in / 7.0 cm | 7.75 in / 19.7 cm | 3.5 in / 8.9 cm | 6.5 in / 16.5 cm | |
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10 mil | 3.25 in / 8.3 cm | 7.25 in / 18.4 cm | 4.0 in / 10.2 cm | 6.5 in / 16.5 cm | |
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13 mil | 2.25 in / 5.7 cm | 8.75 in / 22.2 cm | 3.0 in / 7.6 cm | 7.0 in / 17.8 cm | |
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15 mil | * | 7.5 in / 19.1 cm | * | 7.0 in / 17.8 cm | |
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20 mil | * | 11.0 in / 27.9 cm | * | 9.5 in / 24.1 cm | |
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*Near ranges are
Symbol Density | Typical Working Ranges | Guaranteed Working Ranges | |||
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Near | Far | Near | Far | ||
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5.0 mil | 6.5 in / 16.5 cm | 7.5 in / 19.1 cm | N/A | N/A | |
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6.67 mil | N/A | N/A | N/A | N/A | |
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7.5 mil | 4.25 in / 10.8 cm | 10.0 in / 25.4 cm | 5.5 in / 14.0 cm | 8.5 in / 21.6 cm | |
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10 mil | 5.75 in / 14.6 cm | 10.25 in / 26.0 cm | 6.5 in / 16.5 cm | 9.5 in / 24.1 cm | |
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13 mil | 3.0 in / 7.6 cm | 16.0 in / 40.6 cm | 3.75 in / 9.5 cm | 13 in / 33.0 cm | |
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15 mil | * | 13.75 in / 34.9 cm | * | 12.75 in / 32.4 cm | |
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20 mil | * | 21.5 in / 51.6 cm | * | 17.0 in / 43.2 cm | |
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* Near ranges are
7 - 2