Usually in the industrial sector the reading of the bar code has to happen in automatic without the presence of the man, on automatic cars and in line in the production of products. The safe of these readers has to be tall in the time and under the conditions binding ; the best scanner proper must be chosen analyzing: the speed, the angle of reading, the distance and the resolution. 

Devices are::

• Scanners CCD
• Scanners Less  Decoder
• Scanners with Decoder