Home » Company » Why Mass Flow?

Today, hundreds of industries use gas mass flow meters to optimize their processes. Why? Because on the process line and the bottom line, mass flow makes sense.



Mass Flow is the quantity of direct interest whenever the molecules of the gas are the control variable in your process — such as combustion, chemical reactions, ventilation, product drying and a variety of other process applications.

Conventional flow meter manufacturers know that you need mass flow, because it is independent of temperature and pressure. They do their best. But when you must buy additional temperature and pressure transmitters to convert the volumetric flow signal, you lose more than just money; you lose accuracy and you lose reliability.

Today you need high perfor­mance, cost effective instrumentation—and thermal mass flow meters have been proven to meet this criteria in a wide range of process applications.



Sierra thermal mass flow meters directly monitor gas mass flow, and offer you these benefits:

• Lowest Cost of Ownership. No need for additional devices, easy installation, and neglible operating costs.
• Widest Turndown. With turndowns 10 times that of AP meters, thermal mass flow meters offer unmatched flexibility and exceptional low flow sensitivity. Fast Response. 1 second.
  
• Direct mass flow measurement is more accurate and cost effective.
  
• Direct Mass flow does not need any pressure or temperature compensation equipment or flow computers.
• Provides immunity to process changes in P & T; i.e., very repeatable measurements.
• In Gases, density is highly variable. This makes Volumetric gas flow very sensitive to changes in pressure and temperature.
• Over 80% of all industrial processes—such as those involving chemical reactions, combustion, respiration, and HVAC—are based on mass flow, not volumetric flow.
  

Click here to read white papers on Why Mass Flow?