Chapter 9: Specifications
82
User Guide for ScanPal50 Series Terminal
Scan Depth of Field (DOF)
DOF performance of the product was measured under the following conditions:
• DOF is the distance from the top of scan engine to the barcode
• 23 °C (73 °F), 0 ~ 10K lux
• Clear, high quality barcodes
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.
Short range
(in/cm)
Long range
(in/cm)
Increments
(in / cm)
5mil code39/128 2.5 (6.3) 4.3 (10.9) 1.8 (4.6)
13mil UPC-A 2.2 (5.5) 10.5 (27.8) 8.3 (22.3)
6.7mil PDF417 2.2 (5.5) 4.6 (11.7) 2.4 (6.2)
20mil QR 1.5 (4.0) 8.7 (22.0) 7.2 (18.0)
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