Keller’s new DCX-22 CTD line provides simplified water quality monitoring solutions. Keller DCX LineThese integrated measuring systems measure and record water level, temperature and conductivity levels, which are indicators of contaminates. The DCX-22 CTD family of instruments is designed to monitor seawater, slurry, or fertilizer ingress into ground- and surface water, CSO applications, and environmental impact studies for construction projects. or