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New From Sierra, MEMS-based Thermal MFC’s Set the Long-Term Stability Bar – High!


We have been in the capillary thermal mass flow business for nearly 45 years, many have asked us why we recently introduced MEMS thermal mass flow controllers into our product offering.  Combining superior physics, high reliability, and unparalleled flexibility, our new Sierra MEMS-based RedySmart brand mass flow controllers complement our Sierra Capillary-based SmartTrak brand mass flow controllers.

Unparalleled Stability









Our RedySmart MFC targets the Biopharm industry where historically, Sierra did not have a product with a perfect fit.  Biopharm OEMs appreciate the modularity, compact size, and price of the RedySmart MFC.  The incredible long term stability is probably the biggest factor.  Making a big statement in the industry, all Sierra MEMS devices, including RedySmart and RedyCompact, come with a Lifetime No-Drift Sensor Warranty for long-term peace of mind for end-users that will rely on these devices for top results.  Sierra is the only company in the industry to stand behind MFC sensor stability claims with a warranty.  Stability is made possible by state-of-the-art high-precision MEMS (Micro-Electro Mechanical Systems) technology utilizing an advanced CMOS  (Complementary Metal Oxide Semiconductor) sensor architecture.











50x Magnification of Redy MEMS Sensor

RedySmart thermal mass flow devices contain no moving parts and are unaffected by upstream temperature and pressure fluctuations, resulting in exceptional accuracy and repeatability.   With a compact footprint, easy integration onto a cost-effective multi-device gas mixing blocks, and a wide array of communications protocols, Sierra can now produce a gas mass flow meter or controller to meet nearly any requirement.

Sierra Welcomes Patrick Cool as New Director of Operations for the TASI Gas Flow Division

Sierra is pleased to announce that Patrick Cool is the new Director of Operations for the TASI Gas Flow division.

Patrick is the senior manager within the division responsible for Operations (manufacturing, logistics, purchasing, planning, inventory/warehouse management, facilities, manufacturing engineering, project management, environment/health & safety, and facility maintenance)  for Sierra and the other American-based business units within TASI Gas Flow.  His primary focus will be on ensuring factory operational excellence and customer satisfaction for the TASI Gas Flow businesses.

Patrick first started working in manufacturing in 2012 and has held positions of management in Quality, Software Development, Information Technology, and Operations since that time.  He is a graduate from the University of California – Davis with a Bachelor of Science degree in Managerial Economics.

Please join us in welcoming Patrick to the team and wishing him well in his new role.


Sierra is always looking for the best of the best. If you or someone you know is looking for a job in the flow industry, check out our current job openings.



Simplify The Flow Meter Selection Process with Sierra Instruments’ New App

Need to measure flow but don’t know what type of flow meter you need? Our new app gives you the answers-quickly and easily.  Sierra Instruments is excited to announce the launch of our new flow meter selection app to simplify the flow meter specification process.

Our new app helps you find the right flow meter for your application in just a few clicks. Sound too good to be true? It’s not. We know specifying a flow meter is not easy becausee one size flow meter does not fit all. Accurate flow meter specification depends on many variables like desired accuracy, flow rate, temperature, pressure, gas type, pipe, or fitting size.

Select Your Perfect Flow Meter with Four Simple Questions

Launch the app by clicking the “Select a Meter” button on the home page. The new app will then run through a logical sequence of essential questions needed to quickly specify the correct flow meter for your application:

  1. What fluid are you measuring-gas, liquid, or steam?
  2. Estimated flow rate?
  3. Pipe or fitting size?
  4. Hot tap requirements?

With your answers, our new flow meter selection app will serve up tailored flow meter product recommendations for your application. The app also integrates Sierra’s online store into the results to give you the option to buy online for fast delivery. If you become stuck, connect easily with Sierra’s flow experts to get answers to your questions.

Try the flow meter selection app today and see for yourself how it works.