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Compressor Industry

Liquid Filled Gauges

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Liquid-Filled vs. Dry Pressure Gauges: What's the difference?

This entry was posted on March 6, 2014 by Kirk Dickey.

PA254B_displayDry Utility Pressure Gauge

There are two main types of pressure gauges.

Today, we will go over why you might consider investing in a liquid filled gauge vs a dry one.

Dry pressure gaugesare the work horse of the industrial and commercial parts world.

Look at most air compressors. Many industrial machines and even some of the fancier bicycle pumps will have a dry gauge.

Dry gauges do have some drawbacks, though. The dial can become obscured by moisture inside the gauge. If the temperature drops low enough, the moisture can convert to ice, causing a total failure from the device.

So, what’s with liquid-filled pressure gauges? Do they perform differently?

Yes, they do.

If dry gauges are work horses, then liquid-filled pressure gauges are like the Budweiser Clydesdales, doing the same job but with greater precision and yeah, I’ll say it...style.

PS254B_displayLiquid-Filled Pressure Gauge

Liquid-filled pressure gaugesare available in pressure ranges equal to or higher than their dry counterparts.

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