Select by Your Fluid Type (Below):
Gas       •       Liquid      •       Steam

 
Select Your Flow Meter by Type & Technology (Listed Below):
(Select from the list below to view product selection tools)

Fluid	Product Type & Tech	Selection Charts & Tools	Request a Quote
Gas	Mass Flow Controllers: Premium Digital / Traditional Analog / Economical Thermal Capillary Tube Sensing Technology
Gas	Mass Flow Meters: Premium Digital / Traditional Analog / Economical / Fast Response Thermal Capillary Tube Sensing Technology
Gas	Light Industrial Thermal Mass Flow Meters:   Light-Industrial Immersible Probe & In-Line Versions
Gas	Heavy Industrial Thermal Mass Flow Meters: Heavy-Industrial Immersible Probe, In-Line, Flow Conditioners, Ultra High Purity, High-Temp, Multi-Point
Gas & Liquid	Heavy Industrial Thermal Flow & Level Switches: Flow & Level Switches: FLow, Level, High-Temp, Sanitary, Live-Tap	N/A
Liquid	Transit-Time Ultrasonic Flow Meters: Ultrasonic Flow Meters Clamp-On, Insertion, In-Line, High-Temp, Themal Energy/BTU
Gas , Liquid & Steam	Vortex Flow Meters: Multivariable Mass Vortex & Volumetric Vortex In-Line, Insertion, and High Pressure
Gas	Flow Calibrators: Gas Flow Calibrators, Primary Standard Piston Provers  View ALL flow calibration products	N/A
Engine Emissions	Engine Exhaust Particulate Sampling: Model BG-3 Partial Flow Sampling Systems Partial Flow Systems, Air & Filter Handling, Flow Measurement, Test Cell Automation	N/A

Flow Meters and Controllers by Sierra Instruments

Sierra is one of the most trusted manufacturers of high performance flow meters and controllers today. By combining product quality and delivery with a global network of flow experts spread across 150 locations in over 50 countries, our goal is to consistently deliver the best flow measurement solution for each customer and support your product over its entire life.

Our Thermal Mass, Transit-Time Ultrasonic, and Multivariable Mass Vortex instruments are available in both standard and customized versions for applications in research, quality control, OEM systems, industrial process control and hazardous environments.  From the factory floor to the laboratory, 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.  With rugged product design, cutting-edge innovation, and a worldwide team of flow experts, experience why customers around the globe rely on Sierra.  If you want to learn more about us, visit the Sierra Chronicles to read a sampling of interesting flow solutions stories.