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Depth of field vs. bar code element, Is4920, Depth of field vs bar code element – Metrologic Instruments IS4921 User Manual

Page 35: Is4910

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29

Depth of Field vs. Bar Code Element

IS4920

Depth of Field*

(In the Field of View)

Bar Code

Element Width

Start

(From Engine Face)

End

(From Engine Face)

Total

.127 mm

5 mil

50 mm (2.0")

145 mm (5.7")

95 mm (3.7")

.254 mm

10 mil

30 mm (1.2")

210 mm (8.3")

180 mm (7.1")

1D

.330 mm

13 mil

25 mm (1.0")

310 mm (12.2")

285 mm (11.2")

.127 mm

5 mil

45 mm (1.8")

160 mm (6.3")

115 mm (4.5")

PDF

.254 mm

10 mil

25 mm (1.0")

270 mm (10.6")

245 mm (9.6")

.254 mm

10 mil

50 mm (2.0")

95 mm (3.7")

45 mm (1.8")

.381 mm

15 mil

35 mm (1.4")

160 mm (6.3")

125 mm (4.9")

Data
Matrix

.508 mm

20 mil

40 mm (1.6")

260 mm (10.2")

220 mm (8.7")

*

Depth of field information is for reference only. Actual values may vary depending on testing conditions.

Figure 27. Field of View, Divergence Angle (model IS4910-01 shown)