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Archive for the ‘Measurement’ Category

Overcoming Challenging Temperature Measurements

Posted in Temperature on Thursday, November 21st, 2019. No comments yet
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Unlike pressure and flow measurement, temperature measurement can be much more complex given what is being measured. Fluids have thermal inertia characteristics which determine their temperature rate of change. In a Process Heating article, Instrumentation Solves Temperature Measurement and Control Problems, Emerson’s Shane Hale describes some of these challenges and how manufacturers and producers are […]

Tank Gauging System Components

Posted in Tank Gauging on Friday, November 8th, 2019. No comments yet
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Tank gauging systems perform bulk liquid measurements on storage tanks on tank terminals, a.k.a. tank farms. These systems provide inventory management and overfill prevention safety functions. The systems include level measurement devices such as safety certified Rosemount 5900S radar level gauges, Rosemount 2240S multi-input temperature transmitters, a Rosemount 2410 tank hub which handles communication between […]

Frequency Modulation for Improved Radar Level Measurement

Posted in Level on Tuesday, November 5th, 2019. No comments yet
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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 […]

Accurate and Reliable Orifice Meters

Posted in Flow on Thursday, October 24th, 2019. No comments yet
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A few weeks ago at the Emerson Exchange conference in Nashville, I wrote a real-time blog post on an experts’ session on flow measurement technologies. Since no one flow measurement technology excels for all applications, this session proved to be a lively & humorous one where each of the Emerson experts extolled the virtues of […]

Successfully Applying Non-Contacting Radar in Black Liquor Mixing Tanks

Posted in Level, Pulp & Paper on Tuesday, October 22nd, 2019. No comments yet
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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, […]