Optical Specifications; Technical Specifications; Print Contrast Signal; Minimum Resolution - Opticon NLV 2001 Specification Manual

6. Optical Specifications

Parameter
Light-emitting element
Emission wavelength
Light output
Scanning method
Scanning speed
Scan angle

7. Technical Specifications

The conditions for technical specifications are as follows, unless otherwise specified in each
section.
Conditions
Ambient temperature and humidity:
Ambient light:
Background:
Power supply voltage:
Decoding test:

7.1. Print Contrast Signal

0.45 or higher (over 70% of reflectivity of space and quiet zone).
Reflectance of white bar－Reflectance of black bar
PCS=
Scanning performance may decline if dirt or scratches mar the optical window. Keep the
optical window clean.

7.2. Minimum Resolution

0.127 mm
Specification
Red laser diode
650 ±10 (25° C)
1.0 or less
Bi-directional scanning
100 ±20
Scan angle: 54 ±5
Read angle: 44 (Min)
Room temperature (5 to 35º C)
Room humidity (45% to 85% RH)
500 to 900 lx
Barcode = black
Space = white
Margin = white
Background of label = black
5.0 V
Approve the performance when decoding is
successful in all ten tests.
(Decoding is deemed successful when completed
in 0.5 seconds or less.)
Reflectance of white bar
9
Opticon
NLV 2001
Specifications Manual
Unit
–
nm
mW
–
scans/s
°
°