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Anonymous Poster

DP LEVEL TRANSMITTER INSTALLATION FOR CRYGONIC APPLICATION

11/16/2009 10:55 AM

would like to have the information for installation of differential pressure level transmitter yokogawa eja110 for crygonic application service ethane and propane

do send drawing
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PWSlack
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#1

Re: DP LEVEL TRANSMITTER INSTALLATION FOR CRYGONIC APPLICATION

11/17/2009 3:06 AM

Try Yokogawa directly.

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Anonymous Poster
#2

Re: DP LEVEL TRANSMITTER INSTALLATION FOR CRYGONIC APPLICATION

11/18/2009 3:17 AM

Try the following link for information about using an EJA110A- transmitter for level measuring purposes.

http://www.yokogawa.com/us/is/downloads/pdf/fieldinstruments/appnotes/Pressure/pdg01.pdf
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Carl_E
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#3

Re: DP LEVEL TRANSMITTER INSTALLATION FOR CRYGONIC APPLICATION

11/22/2009 3:09 PM

You might find the case study paper here
http://www.distillationgroup.com/technical/p095.htm
of interest. DP measurements caused problems, but because of density changes and plugging. No news there.

This thread at control.com
http://www.control.com/thread/1026159938
has some interesting observations about difficulties encountered with DP level measurement with liquid nitrogen or carbon dioxide.
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Carl_E
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#4

Re: DP LEVEL TRANSMITTER INSTALLATION FOR CRYGONIC APPLICATION

11/22/2009 4:09 PM

conventional high side/low side mounting for DP level:

Omega has some interesting comments on mounting:

http://www.omega.com/literature/transactions/volume4/T9904-11-LEVEL.html#level_3
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