Archives :: Software, Automation & Control :: Instrumentation, Automation & Control :: Pressure Measurement & Control

Displaying 61 - 69 of 69 stories.
November 1, 2008
Calibrate High-Quality Thermometers with this Instrument The 4180 Series Precision Infrared Calibrators (photo) includes two new models, 4180 and 4181, which according to the manufacturer are easy enough to use in the field and accurate enough to use in the laboratory. The 4180 calibrator has a temperature range of – 15°C to 120°C, with radiometric (non-contact infrared) display accuracy of...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/Focus-On-Temperature-and-Pressure-Measurement_4313.html
November 1, 2008
  Pressure relief systems are vital in the chemical process industries (CPI) for handling a wide variety of situations. They are used to prevent pressurization above a system’s design pressure; for venting during an unusual or emergency situation; and for normal depressurization during a shutdown, as examples. In some cases, such as when non-combustible gases including steam, air and nitrogen...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/Pressure-Relief-System-Design_4319.html
October 15, 2008
This article presents the fundamental concepts of the discharge coefficient, KD, of a relief valve or a safety relief valve, and flow resistance factor, KR, of a rupture disk, and their proper use in sizing an emergency relief system. When these devices are used to protect a pressure vessel, they must be certified according to ASME code in the U.S. Both the discharge coefficient and the flow resistance...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/Engineering-Practice-Discharge-Coefficients-and-Flow-Resistance-Factors_4242.html
July 2, 2008
A revamped website from Continental Disc Corp. (Liberty, MO) features easy-to-use navigation and simple rupture-disc pressure-protection information in a new look that is clean...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/Website-helps-identify-local-pressure-measurement-expertise_4044.html
November 15, 2007
Steam traps are an integral part of steam systems in the chemical process industries (CPI). Steam is commonly used to add energy into a process through its latent heat (steam heat), while the resultant sensible heat (hot condensate) drains through steam traps. The operation of these traps influences the entire steam system’s function and reliability. Steam trap operation has a bearing on the...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/The-Importance-of-Intensive-Steam-Trap-Management_3496.html
October 1, 2007
    Loop-powered digital pressure gauge provides local readout The AccuGauge AG200 (photo), media-isolated, digital pressure gauge offers a 4–20-mA output signal complete with a large LCD display. The AG200 can display each of the following measuring units with the push of a button: psi, bar, kg/cm, atm, inches H20 and Hg. By utilizing the “Test” button, the user can evaluate...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/Focus-On-Temperature-and-Pressure-Measurement_3371.html
July 1, 2007
The ST 3000 Pressure Transmitter line from Honeywell International, Inc. (Phoenix, Ariz.; edlinks.che.com/6897-546) is said to be the process industries’ first to support HART 6...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/Interoperability_3295.html
April 1, 2006
Last month, Emerson Process Management (St. Louis, Mo.; edlinks.che.com/5828-540) launched the Rosemount 3095 MultiVariable transmitter with FOUNDATION Fieldbus (FF) technology and fully-compensated mass-flow functionality. Said to be a first for the process industries, this extension to the Rosemount 3095 platform adds more intelligent-field-device functionality to...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/This-flowmeter-now-has-a-FF-massflow-function-block_2928.html
March 1, 2006
These miniature regulators are ideal for gas instruments The compact DM3000 (photo, left) allows flow control systems for process or laboratory instrumentation to be constructed in small spaces. With a flow coefficient (Cv) of 0.1 and a maximum inlet pressure of 500 psig, this regulator offers a choice of outlet pressure ranges of 1–30, 1–60, 2–100 and 3–250 psig. Fabricated from...
http://www.chemengonline.com/software_automation_and_control/instrumentation_automation_and_control/pressure_measurement_and_control/Focus-On-Pressure-Measurement_2829.html
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