What is the working principle of vacuum gauge?

Anonymous

∙ 11y ago

Updated: 8/17/2019

There are several types.

Perhaps the commonest type involves a flexible diaphragm that is impervious to gases. One side of the diaphragm is in a closed chambre and exposed to air at standard pressure. The other side of the diaphragm is in a chambre that can be connected with hose or tubing to the vacuum whose pressure is to be measured. The degree of deflection of the diaphragm indicates the pressure differential to which it is exposed when it is connected to a vacuum.

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Wiki User

∙ 11y ago

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