⟩ Explain different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge
Pressure gauge includes following components:
a. ‘C’ type bourdon tube.
b. Connecting link
c. Sector gear
d. Pinion Gear
e. Hair spring
f. Pointer
g. Dial
Use of hair spring: Hair spring is responsible for controlling torque. It is also used to eliminate any play into linkages.