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Truth in Specsmanship, Part 3

Truth in Specsmanship, Part 3

This time I will review the specsmanship of a single turbine insertion style meter. Its manufacturer infers the meter’s performance by once again mixing and matching information in an attempt to project its capabilities beyond what is possible, with regard to the...
Truth in Specsmanship, Part 2

Truth in Specsmanship, Part 2

This installment of “Truth In Specsmanship”  will examine the insertion magmeter technology as it relates to turndown. Turndown is the operating range of a given meter, based on the maximum operating velocity, divided by the turndown factor. For example, suppose a...
Truth in Specsmanship, Part 1

Truth in Specsmanship, Part 1

Most of today’s flow technologies (paddle wheel, turbines, orifice plates, variable area, pitot tube, vortex, and magnetic) are volumetric, meaning that these devices measure velocity and then calculate volume by using a known cross section area (Velocity...