Archive for category Air Bubbler

Get Your Lesman Level Catalog!

Our level products manufacturers have released several new instruments to make your measurement tasks easier, more efficient, and more effective. So, we’ve put together a new Lesman Level Products catalog to introduce you to the latest technology.
Level MiniCat
What’s inside?

  • The latest in continuous radar for use in liquids, solids, hygienic processes, or harsh environments
  • New continuous ultrasonics from Siemens
  • Hygienic level products from Siemens and Sartorius
  • New guided wave radar from Honeywell
  • Tips to help you find the perfect fit level instrumentation for your application

 

Sign up to receive your FREE copy of the new Lesman Level Measurement catalog.

Why wait? Download a digital copy now!

 

Need help finding the right instrument for your application? Fill out an application datasheet and send it to Lesman. We’ll make sure you get the right instruments for your process.

Prefer to speak to a member of our sales team?

Give us a call! (800) 953-7626

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Lesman is the premiere stocking representative for process valving, controls, and measurement instrumentation, serving customers in Illinois, Indiana, Wisconsin, Eastern Missouri, Eastern Iowa, and Michigan’s Upper Peninsula.

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Air Bubbler Systems: Old Faithful Liquid Level Measurement

In an ideal world there would be a perfect liquid level measurement system that would work for every liquid and every application.  Unfortunately, that product does not yet exist, leaving operators and technicians to go through the trial and error process of finding the level instrumentation that will work for them.

So in this high-tech world, is there still a need for the old faithful pneumatic systems like air bubblers?  The answer is YES!  Why? Because air bubbler systems work when other systems fail.

Air bubbler systems will work with the more difficult of liquids such as…

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Understanding Level Readings & the Truth about Level Measurement Instruments

In order to understand level readings, you must first comprehend how the instrument works. Three of the most common level-measuring techniques involve using a displacer, float, or differential pressure instrument.

Here’s the catch.

While each of these instruments can be used to report a level reading, none of them actually measure level.

I know what you’re thinking…

If none of these instruments measure level, how do we end up with a level reading? Read the rest of this entry »

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February 2: A day to look back

Yesterday and today, people all over Chicago and the Midwest were looking at pictures from last year. We had 22″ of snowfall in one day. The roads were closed. The airports were closed. Even the Lesman offices were closed. And today’s weather forecast? 45°… in Chicago… in February.

This morning in Pennsylvania, a groundhog named Phil came out, looked back, and saw… his shadow.

All this looking back made me a little reflective myself. I’ve been writing this blog for about 6 months now. So I thought I’d take a minute and recap the articles people keep coming back to read:

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Are bubbler systems still viable for measuring liquid level?

Since Lesman started focusing on level instrumentation 15 years ago, we’ve seen a lot of change. High-tech solutions bring higher accuracy, the ability to automatically eliminate tank obstructions for fewer false readings, the ability to measure level in almost any medium, and even send data from remote tank level systems to a control room miles away.

So is there still a need for more traditional, pneumatic systems, like air bubblers? Absolutely! And why? Because there are still applications where DP, capacitance, ultrasonic, and radar level systems just won’t work.

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