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Walchem - WPH410/420 pH/ORP Controller

Walchem - WPH410/420 pH/ORP Controller

Features & Specifications:

The Walchem WDP Series Dual Input pH/ORP on-line process controllers are designed for a broad range of industrial, commercial, and municipal water treatment applications.

WDP controllers are easily configured to accurately measure pH or mV (ORP) values from Walchem’s WEL and WDS differential combination electrodes, or any conventional combination electrode.

A versatile output configuration allows you to program up to four outputs in a variety of control modes. Select from on/off mechanical relays or pulse proportional control for direct connection to metering pumps.


  • Dual input reduces cost
  • Ideal for harsh environments
  • Built-in safety features
  • Simple, integrated data collection

Product Information:


More Information:

If you would like to learn more, please call us at 508-456-4214 or e-mail:

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