Requests for explanations on the design and operation of certain flow instruments are very common. Except for custom-built devices, most instruments are now described in Youtube or Vimeo videos. Here are a few examples.  

Vortex Flow Meters

http://www.youtube.com/watch?v=GmTmDM7jHzA

Coriolis Flow Meters

http://www.youtube.com/watch?v=5jA9h3hcl_s

http://www.youtube.com/watch?v=5Ufa9PSqAxU

Ultrasonic Flow Meters

http://www.youtube.com/watch?v=Bx2RnrfLkQg

Magmeters

http://www.youtube.com/watch?v=f949gpKdCI4

Pitot Tubes

http://www.youtube.com/watch?v=D6sbzkYq3_c

Thermal Flow Measurement

http://www.youtube.com/watch?v=YfQSf2NBGqc

Doppler/Correlation Flow Measurement

http://www.youtube.com/watch?v=SG7dDRFq3Cs

Differential Pressure Flow Measurement

http://www.youtube.com/watch?v=QV2V8Dazpz0

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