Conversion problem
11-30-2009, 10:03 AM,
#1
Conversion problem
Hello

I'm currently trying convert some flow plasma gas from Metco FMR to NLPM. I look in web site calculator, but I have a small problem, one of flow to translate is Nitrogen and flow is avaible for Helium secondary plasma gas flow tube! Can I use the Nitrogen primary plasma gas flow correction calculator for this translation?

Regards

Olivier
Reply
11-30-2009, 01:28 PM,
#2
RE: Conversion problem
(11-30-2009, 10:03 AM)landemarre Wrote: Hello

I'm currently trying convert some flow plasma gas from Metco FMR to NLPM. I look in web site calculator, but I have a small problem, one of flow to translate is Nitrogen and flow is avaible for Helium secondary plasma gas flow tube! Can I use the Nitrogen primary plasma gas flow correction calculator for this translation?

Regards

Olivier
I answer to myself.

I have seen in conversion formula, as primary gas and helium secondary gas are calibrated by nitrogen, use nitrogen converter should answer to my question.

Agree?

Olivier
Reply
12-01-2009, 05:12 PM,
#3
RE: Conversion problem
Hi Olivier

Yes Smile as long as the helium flow tube is calibrated the same (nitrogen at 50 psi @ 70F). If you pass nitrogen at 50 psi and 70F the helium flow meter should give a direct read-out in SCFH for nitrogen. Use Nitrogen Primary Plasma Gas Flow Calculator if using different pressures or different flow units.
Reply
12-02-2009, 10:58 AM,
#4
RE: Conversion problem
Hello Gordon

Thanks a lot for your help.

Olivier

(12-01-2009, 05:12 PM)Gordon Wrote: Hi Olivier

Yes Smile as long as the helium flow tube is calibrated the same (nitrogen at 50 psi @ 70F). If you pass nitrogen at 50 psi and 70F the helium flow meter should give a direct read-out in SCFH for nitrogen. Use Nitrogen Primary Plasma Gas Flow Calculator if using different pressures or different flow units.
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