An animated video describes the operating principle of capillary thermal technology.


An animated video "Precise Gas Flow Measurement: The Sierra Way," describes the operating principle of capillary thermal technology used in gas mass flow controllers from Sierra Instruments Inc., Monterey, Calif.

The three-minute educational video offers an "inside-out" perspective, showing the flow path of gas molecules within the mass flow controller. According to the company, the video illustrates key technology advantages of capillary thermal flow measurement technology.

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