Intake Air Mass Flow Meters
Sierra’s Air-Trak Model 628S was designed to work specifically with the BG-3 as an extremely fast (200 millisecond time response) repeatable, rugged and reliable engine air intake mass flow meter. Air-Trak features flow conditioning elements for top performance in constrained piping environments commonly found in engine test cells. For technical information contact Sierra.

Click here for Air-Trak™ datasheet

Compressed Air & Natural Gas Mass Flow Measurement
Accurate and repeatable, Sierra’s Model 640S and Model 780S Thermal Mass Flow Meters are rugged and reliable mass flow measurement workhorses in any facility.  Product accuracy is ± 1% of reading +0.5% full scale and the flow range is up to 20,000 with standard accuracy. 

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Inert Gas Mass Flow Meters & Controllers
Ideal for highly accurate and repeatable measurement and control commonly used research gases, Sierra has a broad line of options for nearly ever application and flow range. 

Click below to view a helpful model selection chart:
Mass Flow Meters
Mass Flow Controllers