What are the primary elements for measuring pressure ?

What are the primary elements for measuring pressure ?
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1 Answer

Answer :

The primary elements used for measuring pressure are :
• Bourdon tube.
• Diaphragm.
• Capsule.
• Bellows.
• Pressure Springs.
The above are known as elastic deformation pressure elements.
Type of Bourdon tubes.
• ' C ' type.
• Spiral.
• Helix.
Diaphragm : The diaphragm is best suited for low pressure measurement.
Capsules : Two circular diaphragms are welded together to form a pressure capsule.
 Material Used : phosphor bronze, Ni-spanc stainless steel.
Bellows : Bellows is a one - piece, collapsible, seamless metallic unit with deep folds
 formed from very tin walled tubing.
 Material used : Brass, phosphor bronze, stainless steel. Used for high
 pressure.
Pre.spring : Pressure springs of helical or spiral shape used for measuring high pressures.
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