December 2010 
 
Types of Ultrasonic Flowmeters (Part 2 of 2)
Spitzer and Boyes, LLC 

Variation in certain characteristics of ultrasonic flowmeters has allowed this technology to be applied to many processes. The following sections define flowmeter design categories and how they fit the needs of their intended applications. click for more... 

 
Understanding Differential Pressure Transmitters
Valve Magazine (Fall 2008 - Page 56) 

A differential pressure flow measurement system consists of a differential pressure primary flow element and a differential pressure flow transmitter. When the flow of a fluid in a pipe passes a restriction in the piping system, the pressure in the piping system is reduced. Most differential pressure primary flow elements are designed, constructed and operated in a manner such that the flow rate is proportional to the square root of the pressure drop across the restriction. These differential pressure primary flow elements include orifice plates, Venturi tubes, elbows, flow nozzles, low loss flow tubes, single-port and multiple-port Pitot tubes, segmental wedge and V-Cone flowmeters. click for more... 

 
Evaluating Flowmeter Performance
Process Cooling Magazine (July/August 2008)
 
In defining flowmeter performance, all accuracy statements are not equal. Understanding the terminology and knowing how to convert between different accuracy statements is crucial to making a balanced comparison. click for more... 
 

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