Appendix A — Specifications and Reading Distances
SG20T Tethered Scanner User’s Guide
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SG20T2D, SG20T2DHC RS-232 = 50 mA
USB = 70 mA
Keyboard wedge = 50 mA
SG20THP, SG20THPHC RS-232 = 50 mA
USB = 70 mA
Keyboard wedge = 50 mA
Interfaces
RS-232, USB, Keyboard Wedge
Temperature and Environmental Specifications
Operating temperature
0°C to 50°C (32°F to 122°F)
Storage temperature
-20°C to 60°C (-4°F to 140°F)
Relative humidity
5 to 95% non-condensing
Shock
30 G, 11 ms half-sine, 3 directions
Vibrations
8G, from 10Hz to 500Hz, 2hr/axis, 3 axes
Environmental rating
IP30
Ambient light
0 to 100 000 lux
Artificial light
25 000 lux
Scanning Performance
SG20T1D
Scan angle: 38°
Minimum X dimension: 4mils (0.1 mm)
SG20T2D, SG20T2DHC Scan angles: 39° horizontal, 25.5° vertical
Min. X dimension 1D: 4 mils (0.1 mm)
Min. X dimension 2D: 6.6 mils (0.17 mm)
Typical Power Consumption
(5V power supply, ambient lighting, idle after turning on, not scanning)
