Back to Basics: DP Flow Measurement

Walt Boyes tells it like it is in Flow Measurement: Part One-- Differential Pressure Flow Measurement, another in our Back to Basics series.
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[@sonnybrakes]

As an Instrumentation Technician student at the Haileybury School of Mines I find this video very helpful. I will be sharing it with my classmates. Thank you.

[@sunilshinde7794]

think good explain

[@bac4998]

Thanks. Very useful info here.

[@SafeAndEffectiveTheySaid]

Thank you very much!

[@MerajAhmad-rw6zn]

As a my profile this video instrumentation and control is very useful for B.tech students

[@KeffelewAssefa]

Thank you.

[@jchedman]

He know how... very good!!!

[@hahahahahhayeyeyeyee]

At the end you touched on units to measure with - why use milla bar or killa pascals, and not to use inches of water column or millameters of water column? Can you explain this?

[@TheUkjedi]

very good,any help with vav and plc wiring, thanks

[@ramsundarbind8104]

Thanks sir

[@roehlzapata8361]

"In vertical installations, upstream tap is below downstream tap". Kindly elaborate this in gas application. Thanks

[@jefffraley7094]

In gas or water, the flow is from the source to the destination. if horizontal, the upstream means where the fluid is coming from and downstream is where it's going to, like a river. Same concept in a vertical installation. assume you are pumping or moving water or gas in a pipe, install a 90 and send it upwards for 20 feet, the upstream is below the downstream.... Could one have gas or water flowing DOWN a vertical pipe from a source above? sure, in which case the upstream would be above the down steam.
If the primary device were installed in that section of pipe and in any other application, it is Paramount to have a FULL pipe under system pressure. I am just an old tech. take or leave my humble opinions here

[@girjanandyadav6036]

good

[@Gamebreaker08]

When its gotcha, its gotcha.

[@Big-see]

How do you know that there is high pressure and low pressure.......?

[@freakboynv2000]

bernoulli's theorem is where the math comes from. it's a law of physics