The W600 Series controller from Walchem features icon-based programming on the touch-screen display. The unit can control up to six functions, including chemical metering pumps and valves in water treatment applications. The universal sensor input provides flexibility to utilize most sensors, including pH/ORP, conductivity, disinfection, fluorescence and flowmeter input. Internet connectivity allows for remote access. 508/429-1110; www.walchem.com.