A - 4 TC70x/TC75x Integrator Guide
SE4750-SR Decode Distances
The table below lists the typical distances for selected bar code densities. The minimum element width (or “symbol
density”) is the width in mils of the narrowest element (bar or space) in the symbol.
Skew Tolerance +/- 60° from normal
Ambient Light Sunlight: 10,000 ft. candles (107,639 lux)
Focal Distance From front of engine: 17.7 cm (7.0 in.)
Laser Aiming Element Visible Laser Diode (VLD): 655 nm +/- 10 nm
Central Dot Optical Power: 0.6 mW (typical)
Pattern Angle: 48.0º horizontal, 38.0º vertical
Illumination System LEDs: Warm white LED
Pattern Angle: 80° at 505 intensity
Table A-2 Data Capture Supported Symbologies
Item Description
1D Bar Codes Code 128, EAN-8, EAN-13, GS1 DataBar Expanded, GS1 128, GS1 DataBar Coupon,
UPCA, Interleaved 2 of 5, UPC Coupon Code
2D Bar Codes PDF-417, QR Code
Table A-1 TC70x/TC75x Technical Specifications (Continued)
Item Description
Table A-3 SE4750-SR Decode Distances
Symbol Density/ Bar Code Type
Typical Working Ranges
Near Far
3 mil Code 39 4.1 in.
10.41 cm
4.9 in.
12.45 cm
5.0 mil Code 128 3.5 in.
8.89 cm
6.8 in.
17.27 cm
5 mil PDF417 4.4 in.
11.18 cm
6.3 in.
16.00 cm
6.67 mil PDF417 3.2 in.
8.13 cm
8.1 in.
20.57 cm
10 mil Data Matrix 3.3 in.
8.38 cm
8.5 in.
21.59 cm
100% UPCA 2.0 in.
5.08 cm
18.0 in.
45.72 cm