Level measurement can be tricky, especially when the fluid being measured has changing density and specific gravity. Emerson's Cathy Ershen alerted me to a paper she, Emerson's Pat Carroll and Calpine's Anthony Derenia had published at the Geothermal Library. The...
non-contacting radar
Level Measurement and Overspill Protection
For oil & gas, chemical, petrochemical, and pharmaceutical producers, measuring levels in tanks is an important component for inventory management. I saw a write up by Emerson's Kevin Cullen that describes how level measurement is not only important for inventory...
Guidance for Radar Level Measurement Applications
Recently we've had a few level measurement-related posts--one on a refinery desalter vessel application and another on guided wave radar setup, calibration, and diagnostics. To continue on this theme, I've discovered an article, Determining the level best in radar...
Radar Level Measurement Beginnings, Types, and Applications
One of my U.K.-based colleagues pointed a great article my way, Defining and refining process radar level, in the November Control Engineering Europe magazine. Unfortunately, the article is not viewable online unless you subscribe to site--so I don't have a link for...
Adding Wireless Level Measurement Diagnostics
A colleague pointed me to a recent ConnectingIndustry.com article, Taking wireless level data acquisition to HART. Emerson's Catrine Bengtsson shared her expertise for this article. Many plants have legacy control systems with analog input (AI) and analog output (AO)...
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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.