Laser Barcode Scanners

May 15, 2014

Laser barcode scanners use a visible and repetitive “flashing” laser light beam, commonly used to track inventory and to enter purchases into a computerized management system.  The scanner is a wonderful tool for providing fast and easy customer service in places like supermarkets and restaurants.  Most people have seen a laser barcode scanner as scanners have been in use since the mid-1970’s.

Class 2 and 2M laser barcode scanners are considered SAFE if the beam happens to hit the human eye.   Blinking and looking away from a bright light source are both a reflex adaptation that humans use to