Sierra Instruments, Inc. Datasheets for Mass Flow Meters and Controllers

Mass flow meters and controllers measure flow rate in units of mass or volume per units of time (e.g., pounds per minute). They are designed for use with gases, liquids, steams, or slurries. 
Mass Flow Meters and Controllers: Learn more

Product Name Notes
Low Pressure Drop Flow Meters - SmartTrak® 140 Low Pressure Drop Flow Meters SmartTrak 140 low pressure drop flow meters offers precision gas mass flow control of expensive process gases, where minimal pressure drop is a key consideration...
InnovaSwitch™ Level Switch Overview The InnovaSwitch insertion-type level switch is a high-performance, industrial-grade liquid level indicator for tanks and process vessels. This product switches on level changes as small as 0.03 inch (0.8...
Thermal Mass Flow Meters - QuadraTherm® 780i Thermal Mass Flow Meters - QuadraTherm® 780i QuadraTherm® 780i inline thermal mass flow meters from Sierra Instruments offer the most accurate gas mass flow rate measurement on the market today,...
Gas Flow Meters- SmartTrak® 100-M Gas Flow Meters SmartTrak® 100 gas flow meters from Sierra Instruments offer unprecedented performance, user-friendliness and flexibility of innovative features like Dial-A-Gas capability and the Pilot Module interface. Sierra's SmartTrak...
Gas Mass Flow Meters - SmartTrak® 100-H Gas Mass Flow Meters SmartTrak® 100 gas mass flow meters from Sierra Instruments offer unprecedented performance, user-friendliness and flexibility of innovative features like Dial-A-Gas capability and the Pilot Module interface.
Mass Flow Meters - SmartTrak® 100-L Mass Flow Meters SmartTrak® 100 mass flow meters from Sierra Instruments offer unprecedented application flexibility, performance, user-friendliness and flexibility of innovative features like Dial-A-Gas capability and the Pilot Module interface.
Insertion Thermal Mass Flow Meters For Natural Gas - BoilerTrak™ 620S-BT Boiler-Trak™ 620S-BT insertion thermal mass flow meters provide an economical and easy-to-install boiler and heater efficiency solution for natural gas flow measurement applications. 620S-BT insertion thermal mass flow meters are...
Fast Response Flow Meter -FastTrak 730 Designed for applications that require fast response and low flow sensitivity, the 730 FastTrak flow meter is an industry proven work-horse that provides +/- 1.0% of full-scale accuracy, and +/-0.2%...
Mass Flow Meters For Air and Gases - FastFlo™ 620S Fast-Flo® 620S insertion mass flow meters are the ideal mass flow meter for air and gases for light-industrial applications where a NEMA 4X (IP65) enclosure is acceptable. 620S mass flow...
Thermal Mass Flow Meters For Compressed Air-780 Series-FlatTrak Flat-Trak 780S thermal mass flow meters offer improved measurement capabilities in installations where long straight pipe runs are not available. The 780S thermal mass flow meters incorporate Sierra’s unique dual-plate...
Mass Flow Controllers - MaxTrak™ 180 Max-Trak® is a family of industrial gas mass flow instruments from the company that has been a trusted name in industrial thermal mass flow meters for decades—Sierra Instruments. Max-Trak® will...
Low Flow Mass Flow Meters - MicroTrak™ 101 MicroTrak low flow mass flow meters accurately measure and controls micro mass flows of gas previously thought by scientists to be too low for a repeatable reading. MicroTrak low flow...
FlatTrak™ 780S-UHP Ultra High Purity In-line Mass Flow Meter with Flow Conduit Our Ultra High Purity 780S-UHP mass flow meter is the industry-choice for bulk gas distribution service in semiconductor fabs, in pharmaceutical production and other ultra-clean processes. Real-time monitoring of gas...
Insertion Gas Mass Flow Meters - QuadraTherm® 640i QuadraTherm® 640i insertion gas mass flow meters from Sierra Instruments mark a breakthrough in thermal dispersion technology as the most accurate thermal mass flow meters on the market. Sierra's 640i,...
MutiTrak™ 670S Immersible Thermal Flow Meter Sierra's Multi-Trak™ Model 670S is an advanced state-of-the-art instrument for measuring mass flow rates in very large ducts or stacks that have non-uniform velocity profiles, high turn-down requirements, dirty gas...
Steam Mass Flow Meters - InnovaMass® 240i Sierra's multivariable InnovaMass 240i steam mass flow meters measure up to five process variables with one process connection: volumetric flow rate, mass flow, density, pressure, and temperature. The 240i steam...
Insertion Vortex Flow Meters - InnovaMass® 241i Sierra's multivariable InnovaMass 241i insertion vortex flow meters measure up to five process variables with one process connection: volumetric flow rate, mass flow, density, pressure, and temperature. 241i vortex flow...
Low Cost Flow Meters - SmartTrak™ 50 - Low Flow
Low Cost Flow Meters - SmartTrak™ 50 - Medium Flow
Smart-Trak® 50 low cost flow meters are designed to meet the low-cost budgetary requirements of OEM's while maintaining excellent quality, application flexibility, and performance. 50 series low cost flow meters...
Gas Mass Flow Meters - 640S -- SteelMass Steel-Mass® 640S gas mass flow meters accurately monitor total gas mass flow rate of gases and insert easily into ducts and pipes up to 72-inches. Larger probe lengths are available...
AirTrak™ 628S Thermal Mass Flow Meter The Air-Trak 628S gas mass flow meter was originally designed to work specifically with Sierras Model BG-3 engine emissions sampling system as an extremely fast, accurate, and repeatable engine air...
ChlorineTrak™ 760S Mass Flow Meter The ChlorineTrak™ 760S thermal mass flow meter has been specifically designed to perform as an accurate and cost-effective mass flow measurement solution for chlorine injection processes found in typical waste-water...
Compod Programmable Flow Sensor Control Module With its advanced mass flow sensor capabilities, the Compod™ control valve, coupled with Sierra’s SmartTrak® 100 mass flow meters (MFM’s) or controllers (MFC’s) greatly simplifies air flow control systems and...