Walchem’s WPH Series pH / ORP on-line process controllers will improve your treatment performance. Microprocessor-based with an easy-to-use menu format, WPH Series controllers measure in pH or mV accurately and reliably. Aversatile output configuration allows you to program up to four putputs in a variety of ways with just one controller.
WPH Series controllers are available with either on / off mechanical relay outputs or direct pulse proportional control for metering pumps. Installation is as easy as unpacking the unit, mounting it and plugging it in. We also offer other wiring options to fit your requriements.