Wincor Nixdorf TH320 Spezifikationen PDF herunterladen (Seite 51)

100

101

3-9

MS-3204 Specifications

Usable Scan Length

The decode zone is a function of various symbol characteristics including density, print

contrast, wide-to-narrow ratio, and edge acuity. Consider width of decode zone at any given

distance when designing a system.

Calculating The Usable Scan Length Method on page 2-10 describes how to calculate the

usable scan length. The scan angle is provided in Table 3-2 on page 3-3.

Table 3-4. MS-3204-I000 2D Slab/Raster Decode Distances

Symbol Density/

Symbol p/n /

Bar Code Type

Bar Code

Content/

Contrast

Typical Working

Ranges

Guaranteed Working

Ranges

Near Far Near Far

6.6 mil

64-14035-01

123

80% MRD

1.0 in.

2.54 cm

5.25 in.

13.34 cm

1.5 in.

3.8 cm

3.75 in.

9.5 cm

10 mil

64-14037-01

ABCDEF

80% MRD

3.5 in.

8.89 cm

9.5 in.

24.13 cm

5.0 in.

12.7 cm

7.5 in.

9.5 cm

15 mil

64-14038-01

012345678905

80% MRD

6.5 in.

16.51 cm

14.0 in.

35.6 cm

Note 2 11.0 in.

24.1 cm

55 mil

64-17458-01

80% MRD

1.0 in.

2.54 cm

32 in.

81.3 cm

Note 2 22.0 in.

55.9 cm

Notes:

1. CONTRAST measured as Mean Reflective Difference (MRD) at 650 nm.

2. Near ranges on largely depend on the width of the bar code and the scan angle.

3. Working range specifications: Photographic quality symbols, pitch = 15°, skew = 0°, roll =

0°, ambient light < 150 ft. candles, and temperature = 23 °C, Vcc = 5V.

4. Measured from the front of the scanner.

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 384 385

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