Products by Sierra Instruments, Inc.

Get precise, dependable gas and air flow measurement and control for your most demanding R&D or industrial applications. At Sierra, we offer you a wide range of today’s most advanced gas flow sensors, mass flow meters, controllers and switches – ideal in scientific, pharmaceutical, biotech, medical...

When you need fast, accurate measurement of liquid flow rates and related parameters, choose a Sierra Instruments liquid flow meter or switch. Available for semiconductor, environmental, biotech, petrochemical, energy, aerospace and many other industries, our sensor and controller technology can...

Our heavy-industrial thermal mass flow meters are designed for the most demanding industrial gas mass and air mass flow measurement applications. We manufacture a wide variety of inline and insertion thermal mass flow meters for precision measurement of gas mass flow rate in industrial...