NHM393

Compact controller with process signal input

  • Compact microcontroller-based system.

  • 16×2 LCD display.

  • Accepts three 4–20 mA inputs for flow, inlet & outlet temperature.

  • LED indications for serial communication.

  • Programmable flow rate span and RS-485 settings via keyboard.

  • Password-protected programming.

  • RS-485 with MODBUS RTU protocol.

  • Displays net heat, temperature, flow and totaliser.

  • Real-time clock.

  • Built-in density and enthalpy tables.

  • Ideal for building automation.