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Refinery Tracks Down Costly Air Leaks

InnovaMass® 240 Multivariable Vortex Mass Flow Meter

An oil refinery recently installed two new air compressors in their plant and specified two mass flow meters to measure utility air use and dry instrument air mass flow rate as well as total plant output. Their principal objective was to monitor increased air usage or temperature changes that might indicate a leak…a costly proposition.


The oil production plant engineers selected Sierra’s InnovaMass® 240 mass flow meter because this device "does it all". That includes transmitting and recording a temperature and pressure history on each line. There is no need for ancillary devices like temperature transmitters or pressure gauges.

The principal engineer reports that the InnovaMass contributes to the oil production plant's overall output quality since the instrument's features enable the plant technicians to easily accomplish total plant balancing of utilities. He went on to say that the meters are extremely easy to program and configure. He especially values the big buttons, which are so easy to see and use.

In one case he remembers simply handing the meters to a new technician who had no prior training with Sierra's products. With only the aid of the operator's manual, the technician installs and commissions the meters with less than six hours of downtime and without any problems or difficulties. Our customer reports that both meters have done exactly what we promised they would do!

Here’s what makes Sierra’s InnovaMass 240 an ideal choice:

  • Provides five process variables (mass flow, volumetric flow, pressure, temperature and density) at a single measurement point
  • Built-in pressure and temperature and flow profile compensation
  • All parameters are field adjustable and include complete field diagnostics
  • Approved for FM, CSA and ATEX