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Jim Cahill
11 Dec 2019
Liquid Level Measurement Automation Basics
Lydia Miller What is the purpose of your level measurement? If you know the answer to that I highly recommend an Intech article, How to measure liquid level in vessels , by Emerson’s Lydia Miller . This article is but one of a number of excellent learning articles in the International Society of Automation (ISA)’s Automation Basics series of articles. Lydia opens highlighting different purposes for level measurements...
Jim Cahill
5 Nov 2019
Frequency Modulation for Improved Radar Level Measurement
Ingemar Serneby For those that still listen to FM radio over the airwaves given our increasingly streaming digital world, you may know that the FM stands for “frequency modulation”. Information such as the music you hear on an FM music station is encoded in the radio signal through subtle changes in the frequency of the signal. In a Flow Control magazine article, How frequency modulation can improve effectiveness...
Jim Cahill
22 Oct 2019
Successfully Applying Non-Contacting Radar in Black Liquor Mixing Tanks
In the Kraft pulping process, wood fibers are separated, and resinous materials removed, using an alkaline (typically sodium hydroxide and sodium sulfide) cooking liquor, also known as white liquor. This process converts wood into cellulosic pulp used in the papermaking process. This digesting process turns the white liquor into black liquor, which contains : …lignin fragments, carbohydrates from the breakdown of...
Jim Cahill
8 Oct 2019
Improving Floating Roof Tank Performance
Christoffer Hoffmann Bulk liquid storage terminals are a critical component in the energy industry supply chain between production and distribution. Floating roof tanks are commonly used to avoid having a vapor space or ullage between the liquid level and roof found in fixed-roof tanks. A Storage Terminals magazine article, Staying on the Radar , shared some thoughts from Emerson’s Christoffer Hoffmann on avoiding...
Jim Cahill
24 Sep 2019
Two-Wire FMCW Radar Level Transmitter Advantages
Christoffer Widahl and Jimmie Soderstrom presented The New Normal for Process Radar—The New Two-Wire FMCW [Frequency-Modulated Continuous Wave] Radars are Here!, at the 2019 Emerson Exchange conference. Jimmie opened with a question, “Why measure level?” It is to monitor that supplies are sufficient to keep processes running, control processes to run at maximum output and to control safety functions such as overfill...
Jim Cahill
29 Aug 2019
Overcoming Citrus Processing Level Measurement Challenges
Don Parry Just imagine that you’re an operator in a facility that makes concentrated orange juice and the production process requires you to manually check the levels of large processing tanks in the freezing process conditions. Parkas and gloves are a part of your work attire. These were the conditions as told in an excellent story told in Processing magazine, Radar Level Measurement Improves Inventory Control for...
Jim Cahill
14 Aug 2019
How to Install a Rosemount Non-Contacting Radar Level Transmitter
Here’s a quick one-minute YouTube video, Rosemount 5408 How To – Mechanical Installation showing the mechanical installation of a Rosemount 5408 Non-Contacting Radar level transmitter. Not much to say other than it looks very straight forward. Visit the Non-Contacting Radar section on Emerson.com for more on this technology and applications to continuously measure levels in tanks and vessels. You can also...
Jim Cahill
16 Jul 2019
Reducing Level Detector Proof Testing Complexity
Each safety instrumented function (SIF) including its sensor, logic solver and final control element must be periodically tested to make sure it will perform as designed in the event of a safety demand. These “proof tests” help to uncover and failure conditions which may have developed since the last proof test or safety demand. A new whitepaper, Reducing the Complexity of Proof-Testing with New Generation Point Level...
Jim Cahill
25 Jun 2019
Guided Wave Radar for Tight Boiler Steam Drum Level Control
Matthew Brummer Boiler steam drum level control is critical in electrical power generation. Too high a level can mean water aspirating into the steam lines and causing damage to the turbine generator blades downstream. Too low a level can cause the boiler to dry and overheat. In a Power magazine article, Controlling Boiler Level When Operating Conditions Change , Emerson’s Matthew Brummer compares different level...
Jim Cahill
24 Jun 2019
Measuring Sediment Buildup in Process Vessels and Tanks
Some processes, such as oil & gas production, not only have to measure liquid levels but sometimes must measure sediment levels that can come along in the production stream and settle in vessels and tanks. This quick, 2:38 “How To” YouTube video, How Does the Rosemount Sand Switch Functionality Work? , shows how to change the settings in a Rosemount 2140 vibrating fork level detector from measuring liquids, to measuring...
Jim Cahill
23 May 2019
Non-Contacting Radar Level Measurement in Pulp Mills
A pulp mill : …converts wood chips or other plant fibre source into a thick fibre board which can be shipped to a paper mill for further processing. Ingemar Serneby Level measurements can be challenging in pulp manufacturing process. In a Pulp-paperworld article, Radar Technology Overcomes the Toughest Level Measurement Challenges , Emerson’s Ingemar Serneby shares his expertise on how non-contacting radar level...
Jim Cahill
6 May 2019
Storage Tank Overfill Protection
Lydia Miller AnnCharlott Enberg Preventing overfill conditions in tanks and vessels is a job for safety instrumented systems across many industries. In a Flow Control article, A Systemic Approach to Storage Tank Overfill Protection , Emerson’s Lydia Miller and AnnCharlott Enberg describe the key components in a comprehensive tank management system to meet the safety requirements for the application. Lydia and AnnCharlott...
Jim Cahill
22 Apr 2019
Remote Proof Testing Safety Level Switches
One of the necessities in managing safety instrumented systems throughout the IEC 61511 safety lifecycle is to perform periodic proof tests on the components in a safety instrumented function to verify proper function. A short 2:44 YouTube video, How to Remotely Proof-Test the Rosemount 2140:SIS shows how this proof testing can be performed remotely for safety level switches to save time & costs and reduce risk. ...
Jim Cahill
2 Apr 2019
LNG Storage Tank Radar Level Measurement
Liquefied natural gas is methane with some ethane possibly mixed in cooled down to -162 degC (-260 degF) to transition the gas into a liquid state. It is liquefied : …for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the volume of natural gas in the gaseous state… Håkan Jubel In a Tank Storage article, Radar Provides Precise Level Measurement in LNG Tank Gauging Systems , Emerson...
Jim Cahill
21 Mar 2019
Demonstrating Non-Contacting Radar Level Measurement
It’s been a struggle catching up after a busy CERAWeek last week and a Spring Break week, this week in Austin. Let’s close this short week with a look at one of the very accurate level measurement technologies—non-contacting radar. In this short 3+ minute YouTube video, Non-contacting Radar: Simple configuration with Rosemount 5408 , Emerson’s Jimmie Soderstrom contrasts non-contacting radar with guided wave radar technology...
Jim Cahill
21 Mar 2019
Demonstrating Non-Contacting Radar Level Measurement
It’s been a struggle catching up after a busy CERAWeek last week and a Spring Break week, this week in Austin. Let’s close this short week with a look at one of the very accurate level measurement technologies—non-contacting radar. In this short 3+ minute YouTube video, Non-contacting Radar: Simple configuration with Rosemount 5408 , Emerson’s Jimmie Soderstrom contrasts non-contacting radar with guided wave radar technology...
Deanna K Johnson
22 Feb 2019
How Guided Wave Radar Instruments Can Help a Refinery Make Accurate Level Measurements in a Corrosive Environment.
It’s always interesting to have a little historical trivia attached to our industries, and this article provides a good example: refineries started adding alkylation units during World War II to increase production of aviation gasoline for all those piston-engine aircraft. The process is still in use today, with a few unresolved challenges. Hydrofluoric acid (HF) alkylation is a very corrosive process, which Lydia...
Jim Cahill
12 Feb 2019
Accurate Oil Storage Tank Custody Transfer
Tom Wienke For oil & gas well pads not connected to pipelines, custody transfer of the produced oil and produced water occurs via truck transport. The trucks load oil from holding tanks and require accurate measurements for the custody transfer from producer. Similarly, this is true for the produced water in their holding tanks sent off for disposal. In a Flow Control article, API 18.2: Ensure Safety While Providing...
Jim Cahill
12 Feb 2019
Accurate Oil Storage Tank Custody Transfer
Tom Wienke For oil & gas well pads not connected to pipelines, custody transfer of the produced oil and produced water occurs via truck transport. The trucks load oil from holding tanks and require accurate measurements for the custody transfer from producer. Similarly, this is true for the produced water in their holding tanks sent off for disposal. In a Flow Control article, API 18.2: Ensure Safety While Providing...
Jim Cahill
14 Dec 2018
Level Measurement Intermittent Power Protection
Let’s end the week with a quick look at how some instrumentation protects against intermittent power outages. This short, 1-minute Youtube video, How to Secure Safe Operations During Power Outages shows the power reserve function of the Rosemount 5408 level transmitter which ensures safe operations even during power outages. Visit the level measurement area on Emerson.com for more on the best technologies for...
Jim Cahill
14 Dec 2018
Level Measurement Intermittent Power Protection
Let’s end the week with a quick look at how some instrumentation protects against intermittent power outages. This short, 1-minute Youtube video, How to Secure Safe Operations During Power Outages shows the power reserve function of the Rosemount 5408 level transmitter which ensures safe operations even during power outages. Visit the level measurement area on Emerson.com for more on the best technologies for...
Jim Cahill
27 Sep 2018
Detecting Sand and Sediment Accumulation
Basic sediment and water , or BS&W. It’s what comes along for the ride in most oil & gas producing wells. The goal is to separate these from the oil and gas for proper disposal. The sediment portion, often consisting of sand, can collect and accumulate in the product & test separators as well as the production tanks. This quick, 1-minute YouTube video, Rosemount 2140. Sand Detection Made Easy , shows how this accumulated...
Jim Cahill
27 Sep 2018
Detecting Sand and Sediment Accumulation
Basic sediment and water , or BS&W. It’s what comes along for the ride in most oil & gas producing wells. The goal is to separate these from the oil and gas for proper disposal. The sediment portion, often consisting of sand, can collect and accumulate in the product & test separators as well as the production tanks. This quick, 1-minute YouTube video, Rosemount 2140. Sand Detection Made Easy , shows how this accumulated...
Peta Glenister
2 Aug 2018
How to detect sand in separators
Excessive sand in separators forms unwanted emulsions between oil & water, limits the separator’s capacity, and leads to reduced oil flow rate. Our latest Rosemount vibrating fork level detector monitors liquid-to-sand interface via a unique sand switch functionality, increasing safety and efficiency. Read the white paper here http://bit.ly/sandswitch #Rosemount2140 #SandSwitch #SandDetection
Jim Cahill
4 Jun 2018
Reducing Complexity in Process Instrumentation
Electronics technology continues to rapidly advance. For instrumentation and automation, this means that capabilities can continue to be added. But how do automation suppliers keep from adding complexity with added capabilities? In an Automation.com article, Advanced Instrumentation Design for the Next Generation of Users , Emerson’s Ingemar Serneby describes how taking a human-centered design approach and testing...
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