Tue May 03 2011

level of helium

how much liter helium is required for 1.5 Tesla Siemens MRI machine

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Tue May 03 2011Reply from GaryBiomed
GaryBiomed
You may want to contact Praxair [url=http://www.praxair.com/praxair.nsf/d63afe71c771b0d785256519006c5ea1/24f530d156d912c285256949004ea842?OpenDocument]Praxair[/url] 1-800-328-1654 MRI_Info@Praxair.com They refill them It has Zero helium boil off and only needs checked every 10 years.

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Tue May 03 2011Reply from Shannon8
avatar placemark
OR35 1.5T = 1630 Liters OR70 1.494T = 1710 Liters Siemens recommends topping off to 95%

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Wed May 04 2011Reply from paul1100
avatar placemark
The Seimens Espree is an Oxford OR122 magnet. Helium vessel is 980L total capacity for reading of 100% Minimum level for operation is 40%

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Wed May 04 2011Reply from GaryBiomed
GaryBiomed
Paul, your an MRI genius!!!

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Sun Jan 20 2013Reply from Philips_MRI_Expert
avatar placemark

I would recommend checking the level at least a few times a week.

10yrs is wishful thinking at best

The cryogenic systems need service at least every 3-4 years so I would surely recommend checking many many times prior to the 10 year mark.


Marshall
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Mon Feb 02 2015Reply from Nagasse
avatar placemark
How Do I Measure the level of helium via RS232 / hyperterminal

 


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