Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris.

Integrating configurable flow software enhances custody transfer accuracy, reduces disputes, and ensures compliance with API ...

most flow measurement systems are affected adversely by varying flow profiles within the pipe. The biggest cause for concern is that orifice and turbine meters measure volumetric flow. Additional ...