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16-10-2021, 12:11 PM #1
Different log ph for same refrigerant
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How it comes the difference in the enthalpy for same refrigerant?
It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt.
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19-10-2021, 06:10 PM #2
Re: Different log ph for same refrigerant
Different gas manufacturer?
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19-10-2021, 09:55 PM #3
Re: Different log ph for same refrigerant
bit hard to make out, can you point out the differences?
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20-10-2021, 12:27 PM #4
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20-10-2021, 12:52 PM #5
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20-10-2021, 01:09 PM #6
Re: Different log ph for same refrigerant
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I think the HVAC one is wrong. the values are not the same as other comparators.
RobLast edited by Peter_1; 20-10-2021 at 08:40 PM.
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20-10-2021, 08:42 PM #7
Re: Different log ph for same refrigerant
Sorry, hitted the wrong button first...
I saw the same errors with R134a and R22 as well and found also errors in the calculation of Coolpack... Solkane and Coolselector gave same results where Coolpack gave complet different numbers when plotting and calculating a log p/hIt's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt.
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20-10-2021, 09:28 PM #8
Re: Different log ph for same refrigerant
Could errors from unit conversions be a possibility?
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21-10-2021, 01:14 PM #9
Re: Different log ph for same refrigerant
I suppose we trust the information we are using at the time.
So if I was using Coolpack I would trust their numbers but I have sutle differences before with
different comparators but those two you have seem to be Bars out.
The most I have seen is a confusion between Gauge and Absolute.
Rob
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