HC-220 PID Controller


The Hydro Instruments PID Controller provides a thorough range of flexible settings and parameters to allow users to optimize their chemical feed control in a variety of configurations. State-of-the-art microprocessor technology and years of industry experience have been combined to make the Hydro PID Controller extremely flexible and applicable to a wide range of applications.

The HC-220 PID Controller offers the capability to control liquid chemical or gas chemical feed devices with a wide range of control options, adjustable features, and settings. Each HC-220 PID Controller can perform proportional, set point, and compound loop control.

Highlighted features:

  • Liquid crystal display
  • 4 Pushbutton User Interface
  • 2x 4-20mA Analog Outputs for control
  • Modbus RS-485 Two-way Communication
  • Two Alarm Relay Outputs
  • Adjustable: Signal Filters, Lag Time, Display Ranges and more...
  • Password Protected Control Settings
  • NEMA 4X (IP66) Enclosure

Control Options (all standard):

  • Manual Control
  • Proportional Control
  • Set Point (residual, pH or ORP)
  • Compound Loop (Residual, pH or ORP)
PDF Click here to download the Series HC-220 PID Controller Brochure   


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