Unisen 9100 Series Flow Computer

All-in-one Flow Computer and HMI (and optional PLC), providing standardized configuration of 2-6 meter applications

For over 20 years, Willowglen Systems has been at the forefront of the custody transfer flow computer business – with innovative products that incorporate new technologies to push the limits of what is possible in a flow computer. Willowglen was among the first companies to offer a microprocessor-based flow computer. The innovation continues with the Unisen Series 9100 Flow Computer – the most advanced, scalable, and cost-effective choice.

The new Unisen™ 9100 Series Flow Computer (suitable for 2-6 meters) delivers complete flow computer, HMI, and optional PLC functionality – in a manner which allows for standardized deployment across your operations.

  • Proven reliability
  • Easy to maintain
  • Built-in expertise and functionality for improved accuracy
  • All-in-one solution for 2-6 meter liquid custody transfer applications
  • 7″ HMI screen – allowing for ease-of-operation for field personnel
  • Built-in IEC 61131 PLC functionality
  • Production tickets (batch, weekly, monthly) by network printer or web server
  • Expandable I/O
  • Built-in sampling and proving
  • LACT-ready model


  • Software configuration
  • Panel wiring
  • Factory acceptance testing
  • Supervise on-site installation
  • On-site configuration
  • Assistance with on-site commissioning
  • Ongoing servicing and support

Please contact us for more information.