Backing up your computer or server is a waste of time if restoring the backup fails when you need it. Good practice is to test these backups on separate test systems periodically to make sure they restore properly. Similarly, safety instrumented systems (SISs) need to...
For safety instrumented functions (SIFs), proof testing is the process of identifying undetected dangerous failures in the sensor, final control element and logic solver which comprise the SIF. Dangerous failures are those that could put the safety instrumented system...
If you work with pressure measurement instrumentation, you may have heard the phrases drip rings, flushing rings or calibration rings. These are used for pressure and differential pressure (DP) level measurement devices where diaphragm seals are used. I bring this up...
Floating roofs are used on storage tanks to minimize vapor space between the top of the tank and the level of the liquid, typically a petroleum-based product, inside the tank. Per the External floating roof tank Wikipedia entry: The roof rises and falls with the...
If you're unfamiliar with the phrase "heat rate" used in the electrical power generation industry, it means the amount of heat energy in BTUs as input to the turbine generators divided by the amount of electricity generated in kilowatts. Accurate level measurement in...
Many of the "things" in the Industrial Internet of Things are the sensors that measure not only operating, but also safety-, reliability- and efficiency-related parameters from a manufacturing and production facility. In a Process Industry Informer article, Enhanced...
As oil & gas supplies continue to exceed demand and the need to store crude oil, natural gas liquids and other petroleum-based products increases, storage tanks remain critical elements in the global supply chain. In a Tank Storage magazine article, Stay Afloat...
Measure tank levels can be challenging based on many factors including liquid composition, tank geometry, fill/empty rates, etc. And, if measuring levels on marine vessel tanks, there is added complexity with this non-stationary environment. I saw a LinkedIn post from...
Microwaves have many uses including communications, navigation, radar, radio astronomy, heating and power, and spectroscopy to name a few. For instrumentation and automation, radar level measurement works by emitting microwaves to measure distance. The first radar...
Author: James Gremillion One of the key problems urea plants face is corrosion. The corrosion problem rests with one chemical produced by the urea process, ammonium carbamate. Ammonium carbamate is produced by reacting ammonia and carbon dioxide at high pressures (up...
Accurately measuring levels in vessels is important in many aspects—safety, efficiency, reliability and availability to name a few. Mechanical level measurement devices historically have been failure prone and have required regular maintenance. Guided wave radar (GWR)...
Level measurements can be some of the most important measurements for the safe operations of applications such as tank farms, boilers, pump control and more. Level measurement is a key part of monitoring and control strategies as well as safety instrumented functions....
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This blog features expert perspectives from Emerson's automation professionals on industry trends, technologies, and best practices. The information shared here is intended to inform and educate our global community of users and partners.