Select by Fluid Type:
Gas (All, including mixtures, toxics and corrosives)   •  Liquid (All)   •  Steam (Saturated & Superheated)

Select by Product Type & Technology (List):
We manufacture Thermal Mass (capillary tube and immersible probe), Transit-Time Ultrasonic and Multivariable Mass Vortex instruments.
(Select from the list below to view product selection tools)

Fluid	Product Type & Tech	Selection Charts & Tools	Request a quote
(All) Gas Flow Products	Mass Flow Controllers: Premium Digital / Traditional Analog / Economical (MFC’s) with intergal valve, Thermal Capillary Tube
(All) Gas Flow Products	Mass Flow Meters: Premium Digital / Traditional Analog / Economical / Fast Response (MFM’s) Thermal Capillary Tube
(All) Gas Flow Products	Light Industrial Thermal Mass Flow Meters:   Light-Industrial (Immersible Probe)
(All) Gas Flow Products	Heavy Industrial Thermal Mass Flow Meters: Heavy-Industrial (Immersible Probe)
(All) Gas Flow Products (All) Liquid Flow Products	Flow & Level Switches: View ALL Industrial flow switch products	N/A
(All) Liquid Flow Products	Ultrasonic Flow Meters
(All) Steam Flow Products	Multivariable Mass Vortex
(All) Gas Flow Products	Gas Flow Calibrators, Primary Standard Piston Provers:  View ALL flow calibration products	N/A
N/A	Model BG-3 Partial Flow Sampling Systems: Go to Sierra Emissions website	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 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.