The pressure indication trainer provides the instructor or student with
a typical hydraulic pressure gauge that takes its input from an animated
schematic diagram of a Bourdon tube high pressure transmitter.
The user may control the pressure within the system in order to demonstrate
or observe the behavior of the Bourdon tube and wiper arm as the pressure
A high pressure transmitter
with Bourdon tube and wiper arm.
For more on aircraft hydraulic systems and principles see: