Bourdon Tube Pressure Gauge works on principle that curved tube will straighten when pressure is applied. Pressure acts uniformly on area in the tube, since the surface are of outer curve is larger than inner curve due to difference in area, hence force acting on outer surface is more than force acting on inner surface. Copy the link given below and paste it in new browser window to get more information on Advantages and Disadvantages Bourdon Tubes:- http://www.transtutors.com/homework-help/electrical-engineering/electrical-and-electronic-instrumentation/advantages-and-disadvantages-of-bourdon-tubes.aspx

1. Advantages and disadvantages of
Bourdon Tube

2. Pressure gauge
 It is a device used for measurement of pressure.
 It finds its application in
 Gas pressure in medical gas cylinder
 Gas pressure for vacuum equipment
 Monitoring air pressure in compressor

3. Bourdon tube pressure gauge
 It is a pressure indicator with ‘C’ shaped tube and
oval cross section.
 Curved tube straightens when pressure is
applied.
 It indicates gauge pressure.
 It is used to measure both low and high pressure

4. Advantages of Bourdon tube
 Construction is simple and cost is low.
 It has excellent sensitivity.
 It has high accuracy.
 For higher pressure bourdon tubes provide higher
accuracy.
 It is used to measure vacuum pressure.
 It is available for various ranges.

5. Disadvantages of Bourdon tube
 Slow response to change in pressure.
 Prone to shock and vibrations.
 It is subjected to hysteresis.
 Not suitable for low pressure application

6. Applications of bourdon tube
 Gas distribution system.
 Hydraulic installation.
 Pneumatic installation.
 Refineries and petrochemical processing.

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