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A manometer (also called pressure gauge) is a mechanical gas or liquid gauge. The most commonly used deformation members are membranes, bellows or so-called Bourdon tubes, which are usually made of brass or (for higher pressures) of steel. The Bourdon tube is an elliptical cross-section coiled into a circular arc. One end is connected to the pressure inlet and the other is closed and connected via a feeding device to a scale indicator. Under pressure, the tube tends to straighten and the elliptical cross section becomes circular. The pressure gauge ranges from 0 to about 200 MPa.

The pressure gauge shall be selected with regard to the pressure range, the technical application and the specific characteristics of the medium to be measured. In order to guarantee long-term measurement accuracy, the relevant load limits must be observed during operation. Hazardous and explosive pressure media such as oxygen, acetylene, flammable gases and liquids, toxic gases and refrigerant charge fluids, etc. require increased attention during installation and operation, and any special and atypical conditions of these media must be taken into account. We believe that you will definitely choose a suitable pressure gauge for your purposes.