Denso BHT-200QW Dokumentacja Pobierz pdf (Strona 156)

Appendices

143

[ 3 ] Scanning Performance

 Scanning reference position

As illustrated at left, align the

reading window with the center of

the label (code) to be scanned.

 Scanning distance and area

QR codes Cell pitch Scanning distance

0.25 mm (9.8 mils)

0.33 mm (13.0 mils)

0.50 mm (19.7 mils)

40 to 130 mm (1.6 to 5.1 inches)*

30 to 200 mm (1.2 to 7.9 inches)*

30 to 300 mm (1.2 to 11.8 inches)*

PCS value: 0.9 min., Reflection intensity: 85% min. for white

Under the following conditions:

- Ambient illuminance: 500 lx. (Xenon arc lamp)

- QR code Model 2, Ver. 5 (37 x 37 cells)

Error correction level: M, Black and white label

Under the following conditions:

- Ambient illuminance: 500 lx. (Xenon arc lamp)

- QR code Model 2, Ver. 3 (29 x 29 cells)

Error correction level: M, Black and white label

105 mm (4.1")

Label

1 2 ... 151 152 153 154 155 156 157 158 159 160 161 ... 165 166

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Denso BHT-200QW Dokumentacja Strona 156