2012年2月6日星期一

Pressure Measurement Glossary-Pressure Type


Absolute Pressure - is one which is measured relative to a perfect vacuum. 

Barometric Pressure or Atmospheric Pressure - is the total outside air pressure measured with reference to absolute vacuum. The pressure varies depending on geographical location, altitude and local weather conditions. For weather reporting purposes the barometric pressure is normally adjusted to a sea level value so that all locations can be compared independent of the altitude at each location

Differential Pressure (DP) - is the difference in pressure between two separate points. 

Gauge Reference Pressure or G - is a pressure measured relative to atmospheric or barometric pressure. 

Hydrostatic Pressure - is what is exerted by a liquid when it is at rest. The height of a liquid column of uniform density is directly proportional to the hydrostatic pressure.

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3 条评论:

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  2. Liquid Level Sensor can be used to identify the level of substances that can flow. There are various types of liquid level sensor used to detect the point level of a liquid. Some types use a magnetic float, which rise and fall with the liquid in the container.
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