Online Resources: A Splash of Flow Instruments

Jan. 15, 2015
Control's Editors Browse the Web to Get the Latest Innovations in Flow. Here's What They Found

FLOWMETERING IN FIVE PARTS
This five-part tutorial covers the basics of flowmeter technology in five parts. Part 1 introduces the basics; Part 2 deals with pulse-based counter in flowmeters; Part 3 discusses pulse samplings and counting; Part 4 introduces ultrasonic flowmeters; and Part 5 outlines a typical flowmetering MCU. The tutorials are all free. Part 1 is directly accessible at www.edn.com/design/sensors/4375588/2/Flow-metering-tutorial---Part-1--Understanding-the-fundamentals. Links to the other parts are available there.
EDN Network
800/854-1993

ACCURATE FLOWMETERS
The reasons for dealing with flowmeter accuracy specifications are numerous. One important reason is economics. The more accurate a flowmeter can measure, the more money can be saved, as the medium is measured with minimum inaccuracy. Dosing also requires a high level of precision, and the accuracy is thus important in order to dose correctly. This is critical in certain industries such as in pharma or chemical. Understanding the accuracy of a given flowmeter is important, but it can also be misleading, as different specifications are used to explain how accurately a flowmeter actually measures. This free paper discusses the different specifications and interprets the impact of them.
Siemens

FLOW CALIBRATION BEST PRACTICES
In many process plants, flowmeters are calibrated annually or more frequently simply because that’s the way it was done in the past. New instruments and technologies, combined with careful planning and study, can allow plants to calibrate flowmeters at an optimum frequency, resulting in improved operations and cost savings. Failure to calibrate flowmeters can negatively impact performance, while calibrating too frequently can result in excessive costs without providing any benefits. So the question is, how do you determine if calibration is needed and what the frequency should be? When is the best time to calibrate your flowmeters? Download this white paper to find the answer. www.controlglobal.com/whitepapers/2014/best-practices-for-flow-calibration-management/.
Endress+Hauser

Read More: Flow Everywhere

FLOW MEASUREMENT BY THE BOOK
The Flow Measurement Handbook has helped generations of instrumentation practitioners navigate the application ins and outs of industrial flow measurement devices. Its latest edition, Industrial Flow Measurement—Basics and Practice, is available here in manageable chapters, downloadable as PDFs, beginning with “Introduction to Flowmeter Physics Essentials,” including fluid mechanical concepts such as viscosity, Reynolds number, turbulence, energy and flow rate equations. The direct link is at www.controlglobal.com/whitepapers/120515-abb-flow-measurement-book/.
ABB

ALL ABOUT LIQUID FLOWMETERS
Part of a larger technical reference section on flow and level sensing, this online resource covers a number of flowmeter types, including differential pressure meters, orifices, Venturi meters, flow tubes and nozzles, elbow meters, positive-displacement meters and more. There is also a section on Reynolds numbers. 
Omega

INTO THE VORTEX
This free, 12-page PDF, “Vortex Shedding Tutorial,” covers all you need to know about vortex-shedding technology. The PDF covers the principles of operation, calculation of mass flow and standard volume, construction, meter selection, installation and configuration, and multi- and single-sensor meters. 
Schneider Electric, Foxboro Field Devices

CALIBRATION SENSOR INSTALLATION
This five-minute video tutorial from FCI explains how to use the vendor’s in-situ calibration system and includes useful information about installing and calibrating thermal mass flowmeters. The direct link is at www.fluidcomponents.com/Industrial/News/FCI-VeriCal-In-Situ-Calibration-Sensor-Installation-and-VeriCal-Procedure-Demonstration-0913.asp.
FCI

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