ARC Temperature Controller Software

Follow the instructions below to upgrade your ARC Temperature Controller (device) software. This process should only take a few minutes and requires your device, a computer (Windows) and a USB A to B cable (standard printer cable).


  • Click the link in the list below for the version you want.
  • Navigate to your downloads folder.
  • Extract (Right Click, Extract All) the downloaded zip folder.
  • Disconnect the power supply to your device.
  • Connect your device to your computer via USB.
  • Run (double-click) the Update file in the extracted folder.
  • If you get a Windows alert, choose More Info then click Run Anyway.
  • Once the update has finished the progress window will close.
  • When the power button on the device starts to blink, press it.
  • Verify the software version on screen (shows after ARC logo).
  • Disconnect your device from your computer.
  • Reconnect power and heater cables to your device.
  • Ensure your device is working properly.

ARC Temperature Controller

Software releases for the ARC Temperature Controller:


  • Resolved a visual defect where output bars would sometimes draw after pausing and then shutting off the device.
  • Fixed an issue where negative temperatures overflowed on the screen.

  • Dramatically improved setpoint tracking.
  • Heater output level is now displayed on screen.
  • Decimal places have been removed from the set-point.

  • Updated algorithms to maintain tighter temperature control.
  • The power button now allows you to turn the Eclipse off during almost any state.
  • Button presses on the main screen are now more responsive.
  • Added a pause/resume feature on the main screen which stops and starts heating.
  • Fixed a bug that could overwrite your setpoint to zero when powering down.