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The D400 is a ProCon pH/ORP controller with color LED display. It has a modular design, SimplCal calibration and an on-screen step-by-step setup, and relay, 4-20mA and RS485 outputs are included. It has a color LED display and two relay outputs.

  • SimplCal auto-calibration and step-by-step on-screen menu
  • Relay, 4-20mA and RS485 outputs included
  • Modular design, panel, pipe or wall mount
  • High limit, low limit and hysteresis control
  • Password protection
  • Active red alarm LED