Sierra Instruments

Who we are

Global Leader in Flow Measurement Solutions
Today as Sierra celebrates 50 years of growth, we continue to deliver the kind of operational excellence customers demand in a wide variety of global industries. That includes oil and gas, wastewater, semiconductor, bioprocessing, scientific research, and clean energy, to name a few. And with over 150 locations in 50 countries, Sierra’s people, products, services, and support remain focused on what’s best for you. Learn how. Visit sierrainstruments.com.

More about us


  • Mass Flow Controllers/Meters
  • Thermal Mass Flow Meters
  • Vortex Flow Meters
  • Ultrasonic Flow Meters
  • Flow & Level Switches
  • Flow Calibrators
  • Calibration Services

Major Markets Served

  • Automotive
  • Energy
  • Environmental
  • Facilities Management
  • Life Science & Health
  • Process & Control Manufacturing
  • Oil & Gas
  • Research & Development
  • Semiconductor
  • Water/Wastewater


Sierra Instruments, Inc.

5 Harris Court Building L
Monterey, CA  93940 USA

USA Toll Free: 800-866-0200
Phone: +1-831-373-0200
Fax: +1-831-373-4402

Email: info@sierrainstruments.com,  sales@sierrainstruments.com

Where we are located