These spectrophotometers revolutionize instrument calibration with optional RFID technology. The RFID model will recognize a TNTplus test when placed near the scanner, automatically comparing your individual calibration information to the factory-installed calibration curve. This results in a more efficient, accurate instrument. On top of that, the unit has 220 preprogrammed methods ready to go. This makes running any common test parameter easy and painless. The units have flexible connectivity and come with one ethernet port and three USB ports. It is already set up to interface with the Hach WIMS™ system for data management and storage.