Sierra Instruments Inc.

Sierra is one of the most trusted manufacturers of high performance flow meters and controllers today. By combining superior product quality with a talented global network of flow experts, we consistently deliver the best flow measurement solution for our customer. Our Thermal Mass, Transit-Time Ultrasonic, Vortex Shedding and Multivariable instruments are available in both standard and customized versions for applications in laboratory, industrial and hazardous environments. Sierra’s flow measurement technologies precisely measure or control very low flows of gas down to less than 1 sccm full scale as well as extremely high flows of gas, liquid, and steam.


5 Harris Court
Building L
Monterey, CA 93940
United States
Phone: 800.866.0200
Fax: 831.373.44402


New Ultrasonic Liquid Flowmeter Optimized for Thermal Energy/BTU Measurement

Industry News + Articles

View All

Software Apps for Ultrasonic Liquid Flowmeter Improve Installation

New innovations in clamp-on ultrasonic liquid flowmeters take the pain out of installation for facilities engineers and operators with a comprehensive software package...

Overcoming the Challenges of Changing Gas Composition

As oil prices remain high, the U.S. is in the midst of a nationwide initiative to seek renewable sources of energy to increase energy efficiency and energy security....

Harnessing Biogas for Energy Savings

For the Santa Cruz Wastewater Treatment Facility (WWTF), dependability matters. Since 1989, this state-of-the-art WWTF, nestled in a shallow canyon in the coastal city...

Ultrasonic Flowmeter Improves Water-Loss Calculations

In 2008, after experiencing two years of drought and the driest spring in recorded history, water reserves in California were desperately low.Carmel Riviera, which...

Saving Energy in Dallas

Flowmeters provide more efficient aeration basin flow monitoring

Product Categories