Scanners


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Basically, all a scanner does is translate barcodes into numbers and letters and send that data to your computer. Your computer then needs a program, or software, to make sense of that information in a format that you can use.  For example, a simple linear barcode can store information on your inventory item's serial number, location, condition, and much more!

Scanners can increase your companies performance by reading barcode information much faster than you could manually. Scanners are designed to read, capture and decipher information contained in a barcode label quickly and accurately.  You will reduce your error rate by incorporating scanners into your daily routine!

CCD Scanners

CCD, or Charge Coupled Device, is basically a very simple camera.  A sensor inside the scanner is a similar technology used in fax machines, video cameras, and other devices. When you press the trigger, a light shines from the scanner and the CCD sensor scans the barcode in sequence.  The series of lines it reads contains important data that is sent to your computer.

A CCD scanner can often scan through material such as plastic or laminate that might stop a laser scanner.  CCD scanners however, have a shorter range than laser scanners.  Typically, you need to scan your barcode within 8 inches to get an accurate read.  Barcodes are also interpreted best by CCD scanners if they are flat.  Barcodes on bottles, for example, may not read accurately.

Laser Scanners

Laser scanners project a red horizontal line across a barcode, which is actually a spot of laser light.  A sensor within the laser scanner interprets information much like a CCD scanner and sends it back to your computer.  The advantages of laser scanners is that they can read accurately from a further distance, and read irregularly shaped barcodes.  Although laser scanners are more flexible, they tend to be slightly more expensive than CCD scanners.

Image Scanners

Image scanners can capture data from 1D, PDF, and 2D matrix barcodes.  In addition, Image scanners can collect signatures and other images making the device very versatile.  In short, imagers are devices that take a picture of a barcode and synchronizes it to the correct data in a database.  This eliminates the need to “scan” the barcode.

Environment

The scanner, like barcode labels, must be compatible with its' environment.  For instance, if the scanner needs to read items at any point in a warehouse, a corded scanner would not be practical.  Also, while most scanners are rated for multiple five to six foot drops, double check that the scanner you've selected is appropriate.  Water-resistant and heat-tolerant scanners are also available.

CCD Scanners and Laser Scanners alike are generally used to read barcode images and help ensure accurate inventory, production, shipping and receiving counts.  Choosing the right barcode scanner for you depends on a variety of variables, but ultimately the selection is based on two factors:

  1. the type of barcode label you need

  2. what types of environment will the scanner is used in

Process & Technology Solutions can help you decide what scanner will work with your system and environment!
 

Click here to request additional information or view our on-line Catalog!
 

Process & Technology Solutions, Inc.    6121 Green Bay Road  Suite #210     Kenosha, WI  53142
(262) 657-5500  ~   (262) 657-5511 (fax)  info@processandtechnology.com 
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