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Gas Flow Meters & Controllers

Sort & Find The Ideal Flowmeter(s) For Popular Applications Listed Below 

Sierra manufactures three gas mass flow core technologies: Capillary Thermal, Immersible Thermal and Mass Vortex. Work with our team of flow experts to meet your budgetary and application needs.

Choose Your Gas Flow Application

  • Natural Gas Measurement & Control

    High accuracy, low pressure drop, 100:1 turndown, no moving parts, direct mass flow reading, robust mass flow control solutions...

  • Compressed Air Measurement & Control

    Compressed air isn't free, so more and more companies carefully monitor its usage. Thermal flow meters are ideal for this...

  • Flare Gas Measurement

    Mass flow meters with high accuracy and gas composition flexibility for gases flared in the field

  • Waste Water Treatment

    We are focussed giving our customer precision measurement or water flow and the many flows associated with waste water treatment and now have an answer for all common applications.

  • Fuel Flow Measurement

    Sierra has a complete line of fuel instrumentation to cover both steady-state gravimetric and transient consumption measurement. ...

  • Digital Flowmeters & Controllers

    Featuring a wide variety of digital output communications protocols.

  • Argon Mass Flow Meters

    Sierra thermal mass flow meters are specialized for accurate mass flow measurement and/or control of Argon gas across numerous industry applications.

  • Carbon Dioxide Mass Flow Meters

    Sierra thermal mass flow meters are specialized for accurate mass flow measurement and/or control of CO2 gas across numerous industry applications.

  • Nitrogen Mass Flow Meters

    Sierra specializes in accurate mass flow measurement and/or control of Nitorgen gas. One of the most commonly measured gases,...

  • Mass Flow Measurement & Control

    We manufacture a variety of mass flow technologies for precision measurement of gases, liquids, and steam.

  • Gas Mixing & Blending

    Gas mixing and blending is one of the most common applications for mass flow controllers.

  • Ultra Low Pressure Drop MFC

    Precision mass flow control with industry leading pressure drop of 4.5 psid (310 mBard) up to flows of 500 slpm (nlpm); Accuracy...

  • High Pressure Flow

    Precision high pressure mass flow control is very difficult. Sierra has met this challenge with a patented high pressure mass...

  • Low Flow Control (Down to 0.1 sccm)

    Low flow measurement and control is a difficult application. Ultra low flow mass flow controllers can accurately control flows...

  • High Flow Control (Gas flow to 1000 slpm)

    Sierra is an expert in the control of high flows of gases. With our large and powerful control valves and PID valve control,...

  • Large Pipes & Ducts, Hot Tapping, Purging

    We have optimized our gas mass flow meters to address precision measurement challenges in large ducts and pipes.

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