Learn more about 2D readers at http://www.keyence.com/SR600HS. The Keyence SR600 High Speed 2D Bar Code reader is able to read, process, and output codes at unmatched speeds. Watch as we ramp up the speed on this rotary table and let the scanner go. Don't let slow readers slow you down. Our high speed test shows Keyence's 2-D code readers are at the head of their class.