Various parts of a pressure gauge

Question

Write down various parts of a pressure gauge? And also describe the employ of hair spring in the pressure gauge?

Answer 1

Pressure gauge comprises subsequent constituents:

i) Connecting link

ii) “C” type bourdon tube.

iii) Pinion Gear

iv) Sector gear

v) Pointer

vi) Hair spring

vii) Dial

Employ of hair spring: Hair spring is liable for controlling torque. It is also employed to remove any play in linkages.