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How Does A Pressure Gauge Work?
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How Does A Pressure Gauge Work?

Types of Pressure Sensing Elements

This section discusses the different types of pressure sensing elements used in pressure gauges.

Bourdon Tube

  • The Bourdon tube is the most popular type of pressure sensing element used in pressure gauges.
  • The C-shaped Bourdon tube is found in gauges measuring pressures from 15 psi up to a thousand psi.
  • The helical Bourdon tube is a high-pressure Bourdon tube used in applications of 1500 psi or greater.
  • Winters Bourdon tubes are seamless, which means there are only two weld points throughout the wetted parts where the tube contacts the socket and at the end of the tube which provides a seal.

Capsule Sensor

  • The capsule or clamshell type movement is used in low-pressure applications where the pressure is less than 10 psi.
  • Unlike sea and helical tubes that move vertically, the capsule sensor moves horizontally to measure pressure.
Video description

A pressure gauge is a pressure instrument that converts the pressure of a system media into mechanical movement. The pressure is then shown on a dial by a pointer that is indirectly attached to the mechanical movement. This video provides a demonstration of the C-shape and helical bourdon tubes, capsule/clamshell movement and a direct drive/spiral tube movement in-action. -------- SUBSCRIBE HERE: https://bit.ly/2HrZABk FOLLOW US: Twitter: https://bit.ly/2Hj9Rjg Facebook: https://bit.ly/2MhgCRE LinkedIn: https://bit.ly/2MiF9FM Instagram: https://bit.ly/2W0bntW Website: https://winters.com/ -------- Music by Bensound