The DR 6000 lab spectrophotometer from Hach Company offers high-speed wavelength scanning across the UV and visible spectrums and comes with more than 250 preprogrammed methods, including the most common testing methods. With optional accessories allowing high-volume testing via a carousel sample changer, and with increased accuracy using a sample delivery system that eliminates optical difference errors, it handles multiple water testing needs. TNTplus reagent vials provide additional accuracy with guided step-by-step procedures. Averaging of 10 readings makes scratched, flawed or dirty glassware a nonissue. 800/227-4224; www.hach.com.