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What is the difference between atmospheric and pressure dew point?

by | Nov 25, 2025 | 0 comments

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What is the difference between atmospheric and pressure dew point?

Understand atmospheric vs. pressure dew point and their role in accurate moisture measurement in compressed air systems.

Atmospheric dew point is the dew point at no pressure under normal ambient conditions, such as in expanded compressed air. If the air is compressed the moisture contained therein is forced into a smaller volume. Thus, the moisture per unit of volume increases so does the dew point. The pressure dew point is always measured under pressure.

Tags: Atmospheric dew point, dew point
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