Appendix A — Specifications and Reading Distances
46 SG20T Tethered Scanner User’s Guide
Specifications
Use this section to find technical information about the SG20T
Physical Dimensions
Length 20 cm (7.9 in)
Height 6.5 cm (2.6 in)
Width 6.1 cm (2.4 in)
Weight 125 g (4.4 oz)
Electrical Specifications
Electrical rating x 5V, 1.7 A
Typical Power Consumption—Continuous Scanning
(5V power supply, ambient lighting, continuous scanning)
SG20T1D RS-232 = 120 mA
USB = 120 mA
Keyboard wedge = 120 mA
SG20THP, SG20THC RS-232 = 300 mA
USB = 320 mA
Keyboard wedge = 330 mA
Typical Power Consumption
(5V power supply, ambient lighting, idle after turning on, not scanning)
SG20T1D RS-232 = 60 mA
USB = 70 mA
Keyboard wedge = 120 mA
SG20THP, SG20THC RS-232 = 50 mA
USB = 70 mA
Keyboard wedge = 50 mA
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