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BOURDON TUBE 

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THE PRINCIPLE

THE BOURDON PRINCIPLE

BELIEVES THAT A FLATTENED TUBE

WILL REFORM OR GROWCONSIDERABLY IN THE CROSS

SECTIONAL ASPECT WHEN A

PRESSURE IS APPLIED. THISCHANGE CAN BE REPRESENTED BY

A NEEDLE ON A GAUGE 

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BOURDON TUBE

IT IS A PRESSURE SENSING DEVICE

CONSISTS OF A TWISTED OR

CURVED METAL TUBE

THE TUBE IS CONSTRUCTED FROM

A THIN WALLED TUBE OF NON

CIRCULAR CROSS SECTION

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CONSTRUCTION

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MATERIALS

The tubes The tubes are a!e "r# a$%

a&&#%s'''''''''''

are #"te$ heat te(ere! t# #(t))*e

e&ast)+)t%

,he$ se&e+t)$- the tube the "&u)! easure!

$ee!s t# be a++#u$te! "#r. Stee& tubes areuse! but hae a er% &))te! &)"e !ue t#

+#r#s)#$' "#r er% h)-h (ressure s%stes

 ber%&)u +#((er )s use!

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TYPES OF BOURDON TUBE

C TUBE

HELICAL TUBE

SPIRAL TUBE

TWISTED TUBE

THE C TUBE IS THE MOST COMMON

TYPE

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TYPES OF BOURDON TUBE

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PROS

CHEAP PORTABLE

EASY TO USE

 NO LEVELING RE/UIRED

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CONS

STATIC MEASUREMENTS ONLY

LOWER ACCURACY