Sierra Mass Flow Controllers & Meters


Sierra Instruments design and manufacture high-performance thermal mass flow controllers, immersible thermal mass flowmeters, vortex flow meters and transit-time ultrasonic flow meters for nearly every gas, liquid, or steam application.

Choose Sierra when you need:

SmartTrak mass flow controllers and mass flow meters provide researchers, systems integrators, and OEMs with digital mass gas flow control and measurement for nearly any type of application requirement:

  • High accuracy, primary standard calibration
  • Smallest footprint by flow range
  • Multi-gas to specify any gas, any flow range up to 1000 slpm (nlpm)
  • Local/remote display and pushbutton interface
  • Free user interface software app
  • Buy online, ships next day
  • Custom engineering at no extra cost
  • Lifetime support by our global engineering team

Mass Flow Controllers & Meters

  • RedyCompact Mass Flow Meters : A true thermal mass flow meter, RedyCompact is for those that want the highest accuracy and repeatability and need a drop-in replacement for a Rotameter.
  • RedySmart Thermal Mass Flow Meters : The RedySmart thermal mass flow meters & controllers are MEMS-based (Micro-Electro Mechanical System) technology to complement SmartTrak® capillary-based mass flow meters & gas controllers.
  • SmartTrak 50 Low-Cost Digital Mass Flow Controllers : Sierra Instruments’ SmartTrak® 50 Series is a digital gas mass flow controller designed to meet the low cost budgetary requirements of OEM's while maintaining excellent quality and performance.
  • SmartTrak 100 Premium Digital Mass Flow Controllers : SmartTrak® 100 Series features unprecedented performance, user-friendly features, and flexibility.
  • MassTrak® 810 Economical Digital Mass Flow Controllers : Sierra Instruments' MassTrak® 810C offers exceptional mass flow control capabilities at an attractive price. It designed to reduce costs in analytical, laboratory and OEM instrument applications.
  • TopTrak® 820 Mass Flow Meter : Sierra Instruments TopTrak 820 Mass Flow Meter is designed to replace volumetric flow rate devices at a comparable installed cost. It measures and displays the mass flow rate directly in sccm or slpm
  • FastTrak™ 730 Flow Meters : Sierra FastTrak™ 730 Flow Meters provide outstanding measurement accuracy and 200 millisecond response time at a competitive price. It measures the mass flow rate of air and many process gases.
  • SmartTrak 140 Ultra-Low Pressure Drop Mass Flow Controller
  • SmartTrak 100 HP Ultra-High Pressure Digital Gas Mass Flow Meters
  • MaxTrak 180 Industrial Mass Flow Controller