Professional Support

Professional support

Rovynel support helps customers choose the right monitor, install it correctly and maintain reliable readings over time.

Before purchase

Email fsl@nnoll.com with your application, water volume, target parameters and installation environment. We can recommend the model that best matches your use case.

After purchase

  • Order and shipping questions.
  • Setup and app pairing support.
  • Calibration and maintenance guidance.
  • Warranty and product troubleshooting.

Support information to include

  • Order number.
  • Product model and SKU.
  • Photos or video of the installation.
  • Current readings and the issue you are seeing.

Support email: fsl@nnoll.com. Typical response target: within 1-2 business days.