There are many techniques in developing instrumentation on how to measure pressure. Instruments that we are usually to measure pressure in instrumentation workshop are called pressure gauges or vacuum gauges.
The Construction of The Bourdon Tube GaugePressure which normally symboled as 'P' is the force over an area applied on an object in a direction perpendicular to the surface. Pressure Gauge is the pressure relative to the local atmospheric or ambient pressure.
Another View Of Bourdon Tube GaugeThis link is one of my post about a pressure gauge. You can view there one of the brand which widely used in local marker to measure pressure.
Parts of Bourdon Tube Gauge Made in Solid BrassNormally the construction of the bourdon tube gauge is made from brass material. More details of this pressure gauge construction you can visit Wikepedia.
