Datalogic SG4 BASE - Page 19

SG4 BASE
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for ESPE Type 4 EAA = 5° (α = ± 2.5°)
Fig 14 - Minimum distance from reflective surface
The formula to get Dsr is the following:
For ESPE Type 4:
Dsr (m) = 0.13 for operating distance < 3 m
Dsr (m) = 0.5 x operating distance (m) x tg 2a for operating distance >= 3 m