Bourdon Pressure Gauge

Bourdon pressure gauge

This can sometimes be difficult as the mechanical system reacts very sensitively to the pressure reading. Therefore, the needle appears to be a blur as it struggles to hold steady. There are multiple solutions to this problem, including using a glycerine or silicon filling fluid to dampen the needle movement.

Standard Bourdon pressure gauge

Standard Bourdon pressure gauges are suitable for liquid or gaseous media, which are not highly viscous or crystallising, so long as they do not attack copper alloy parts. The measuring range covers 0.6 ... 1,000 bar.

Bourdon measure gauge pressure, relative to ambient atmospheric pressure, as opposed to absolute pressure; vacuum is sensed as a reverse motion. Some aneroid barometers use Bourdon tubes closed at both ends (but most use diaphragms or capsules, see below).

Bourdon pressure gauges with increased corrosion resistance

Bourdon pressure gauges with increased corrosion resistance are manufactured entirely from stainless steel. They are suitable for the measurement of pressures from 0 … 0.6 up to 0 … 7,000 bar in gaseous and liquid, not highly viscous and non-crystallising media - and also in aggressive environments.

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Country of Origin China. Country of Origin is subject to change.

Bourdon pressure gauge from YC Pressure Gauges in China.

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The pressure of the measuring medium acts on the inside of the tube and produces a motion in the non-clamped end of the tube. This motion is the measure of the pressure and is indicated via the movement.

The C-shaped Bourdon tubes, formed into an angle of approx. 250°, can be used for pressures up to 60 bar. For higher pressures, Bourdon tubes with several superimposed windings of the same angular diameter (helical tubes) or with a spiral coil in the one plane (spiral tubes) are used.

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