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Question:

Pressure switch and electrical contact pressure gauge principle are what

Pressure switch and electrical contact pressure gauge principle are what

Answer:

The principle of the electrical contact pressure gauge is the pointer to drive the contact needle with the pressure rise (down) and rise (down), to set the needle when the switch signal. It is purely mechanical.
There are many principles of pressure switch, such as piston type, spring type, electronic and so on.
There are many principles of pressure switch, such as piston type, spring type, electronic and so on.

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