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Technical specifications, Print contrast signal (pcs), Scan area and resolution – Opticon OPL 9712 User Manual

Page 9: Opticon opl 9712 specifications manual, Figure 3: the depth of field

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Opticon

OPL 9712

Specifications Manual



9

8. Technical

Specifications

The conditions for technical specifications are as follows, unless otherwise specified in each
section.

Conditions

Ambient temperature and humidity

Room temperature (5–35° C) and room humidity
(45% RH–85% RH)

Ambient light

500 to 900 lx

Background

Barcode = black
Space = white
Margin = white
Background of label = black

8.1. Print Contrast Signal (PCS)

0.45 or higher (over 70% of reflectivity of space and quiet zone).

PCS is determined by: Reflectance of white bar – Reflectance of black bar / Reflectance
of white bar

8.2. Scan Area and Resolution

The depth of field is measured from the edge of the data collector. The scanning range is
within the circular arc centered on the scan origin.

1

2

3

5

8

AB

C

DE

F

JK

L

TUV

6M

NO

9WX

YZ

7

4G

HI

PQ

RS

CL

R

BS

Sh

if

t

0

.*...

-

ENT

M in imum read ing d is tance

Reso lu t ion 1 .0

Reso lu t ion 0 .5

Reso lu t ion 0 .15

Reso lu t ion 0 .25

52

44

35

40

60

75

145

240

365

Figure 3: The depth of field

The depth of field is measured from the front edge of the data collector.