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Thermal Instrument Company

Thermal Mass Flowmeter We design, manufacture, and calibrate thermal mass flow meters and flow switches for a variety of liquid and gas measurement applications.

Why Thermal Instrument?

Accurate, Repeatable And Dependable Flow Measurement


Since 1959, Thermal Instrument has produced mass flow meters that help increase productivity with accurate and dependable measurements of liquids and gases for both industrial and environmental processes.

We provide solutions for various industries, including pollution control, landfills, GHG emissions, chemical processing, food & beverage, pharmaceutical, semiconductor manufacturing, and power & utility.

We’re a family and veteran-run business. We’re large enough to provide the mass flow meters your industry needs while small enough to give our clients the undivided attention they deserve.

We will even customize our designs to suit your needs. We know and understand that sometimes you have to get “outside the box” to get a job done.

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