Chapter 9: Specifications
Scan Depth of Field (DOF)
DOF performance of the product was measured under the following conditions:
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•
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Note: If the barcode is not aligned well with the scan engine, reading time and depth of
field (DOF) will be affected and the device performance will be decreased.
82
DOF is the distance from the top of scan engine to the barcode
23 °C (73 °F), 0 ~ 10K lux
Clear, high quality barcodes
Short range
(in/cm)
5mil code39/128
2.5 (6.3)
13mil UPC-A
2.2 (5.5)
6.7mil PDF417
2.2 (5.5)
20mil QR
1.5 (4.0)
Long range
(in/cm)
4.3 (10.9)
10.5 (27.8)
4.6 (11.7)
8.7 (22.0)
User Guide for ScanPal50 Series Terminal
Increments
(in / cm)
1.8 (4.6)
8.3 (22.3)
2.4 (6.2)
7.2 (18.0)