Welch Allyn Scanteam 6180, Техническое руководство

Страница: 53 / 68

A–1
Technical Specifications
TECHNICAL SPECIFICATIONS
A
A.1 Scanner Performance
Bar/Space Deviation:
While scanning appropriate bar code symbols, the first bar elongation and
inner bar/space errors over the depth of field are defined as follows.
First Bar Elongation: < +0.006 inch (0.15mm)
–0.002 inch (0.05mm)
Inner Bar/Space Error: < +0.002 inch (0.05mm)
A.2 Optical Specifications
Effective
Scanning Aperture:
6 – 10 mil
Light Source: Red LED (Wavelength = 660 nm)
Depth of Field:
Aperture Depth of Field X Dimension
Tilt Angle:
Aperture Range of Angle X Dimension
A.3 Electrical Specifications
The scanner will function but may not operate within the specified
tolerances if the operating voltages indicated below are exceeded.
Operating Voltage: 4.5 VDC – 5.5 VDC
Operating Current: Maximum 35 mA
Typical 30 mA
Power Supply
Noise Rejection:
Withstands up to 100mV p–p noise and ripple