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Comments (2)

JM3 in Alpharetta, Georgia

15 months ago

I received my AAS in Instrumentation in 1992...I immediately gat a job and have been here ever since. The problem is due to equipment finally reaching it's failing point I have forgotten a few things.
I had a differential pressure tansmitter that i kept calibrated at the original specs....0-100" of water. It was on a 3inch 304 stainless steel sch 10 pipe. The transmitter was reading across an oriface plate with flange taps.
Due to a major electrical surge...most all of our equipment got fried.
I had to install a new totalizer on this particulat transmitter....my problem is I don't know what value to use as my maximum flow on my totalizer calculations. With the info I have given can anyone help me? If you need more givens let me know and i will try to get them!!!
Help,
Jerry

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Tony in Seattle, Washington

15 months ago

Get the data off the orifice plate and use that to calculate flow rate at 100 inches differential pressure. If you can track down the manufacturer of the orifice plate, they should be able to help you out with the calculations.

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