Product Features :: Seven ranges in a single controller allows the controller to be used in a wide variety of applications with the maximum range at 1000 mS/cm :: User-Customization through Advanced Setup Menu offers flexibility in matching the controller's functions to suit individual's specific requirement :: Choice of 4-cell or 2-cell electrode system :: Programmable for On/Off, Proportional, or PI (Proportional Integral Control) - ideal for most demanding precision process control applications :: Backlit Display offers reading in low-light conditions :: Universal Power Supply Input from 85 to 250 VAC/DC allows use at multiple sites and withstands voltage fluctuations :: Two Galvanically Isolated Scaleable 0-20/4-20 mA Outputs for Conductivity and temperature :: Wash Contact Relay controls electrodes cleaning systems at desired duration and frequency :: Adjustable Hysteresis (Dead Band) prevents rapid contact switching near set point :: Non-Volatile Memory retains all stored parameters and calibration data even if power fails :: Large Dual Display shows measurement with temperature simultaneously - features clear multiple icons, set points, and status messages :: Choice of Temperature Sensor Pt100/Pt1000 with 2-wire or 3-wire temperature input selection :: Easy Installation and Wiring with detachable plug-in connectors :: Panel-mounted version is also available Applications General: Use for virtually any batch or online applications where rapid, accurate control. Great for OEM/system integrator. Industrial: Use in applications involving agriculture, chemical processing, boiler and water heaters, wafer-fab, microprocessor manufacturing, pharmaceuticals, pulp and paper industries, and bleach manufacturing. Water Purification/Treatment: Use to treat batches of incoming process water, ultrapure water, boiler and feed water control. Regulatory: Hook to recorder to document data for regulatory compliance.