The Streaming Current Analyzer (Model SCA) from Micrometrix monitors and optimizes the coagulation process. The device responds to changes in raw water quality and prevents plant upsets. The analyzer has a color touch-screen display with graphical data trending and alarm functions. The heavy-duty instrument has a fast response time of less than one second and high accuracy for 24/7 monitoring. The sensor has a user-serviceable probe that extends sensor life. 770/271-1330; www.micrometrix.com.