#WishIknew – What’s the difference between mechanical and wireless pressure gauges?

Pressure

When you have a question about process automation that needs a short answer, let us know with #WishIknew and @Visaya! We’ll reply with a #WishIknew post. It’ll give a quick explanation, then some related articles, videos, or reviews if you want to know more.

I wish I knew what the difference between mechanical and wireless pressure gauges is!

Pressure gauges are simple, cheap devices with local displays that show the pressure at a certain point in your process. But most mechanical gauges don’t communicate with your process controller. They serve as indicators only.

pressure gauge
Courtesy of Emerson

However, Emerson has in its portfolio the Rosemount Wireless Pressure Gauge. It has the same design as a mechanical gauge, but it offers you the option of communication through wirelessHART. With the HART communication, you can monitor your process value and diagnose problems in your device or your process.

These articles will teach you more about this topic:

Absolute, gauge, and differential pressure: An explanation of all three subjects and what devices you need to measure them.

What is static pressure measurement?: A WishIKnew on the topic, breaking it down with a simple explanation and how-to.

What is differential pressure measurement?: A WishIknew on how differential pressure measurement works.

Product Review: Rosemount™ Wireless Pressure Gauge: Our review of the pressure gauge in this article – very interesting, so take a look at it.

Related tags: #WishIknew gauge pressure Gauge pressure transmitter Pressure pressure measurement wireless Wireless pressure gauge
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