Measurement Uncertainty Calculations Spreadsheet help

Prakash Gupta

Starting to get Involved
#1
Have a Good Day to all of you!!!!!!!!!!!!!!!1

During audit of auditor raise a non conformity that "lab to mentioned the mean value at which measurement of uncertainty has been mentioned".
Please find herewith the attached calculation sheet of uncertainty measurement. I think average value which we have calculated is the mean value what auditor raise the NC.
Please help me to remove this NC
 

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Stijloor

Staff member
Super Moderator
#2
Have a Good Day to all of you!!!!!!!!!!!!!!!1

During audit of auditor raise a non conformity that "lab to mentioned the mean value at which measurement of uncertainty has been mentioned".
Please find herewith the attached calculation sheet of uncertainty measurement. I think average value which we have calculated is the mean value what auditor raise the NC.
Please help me to remove this NC
Can any of our Members with this expertise review and comment to Prakash?

Thank you very much!!

Stijloor.
 

howste

Thaumaturge
Super Moderator
#3
Have a Good Day to all of you!!!!!!!!!!!!!!!1

During audit of auditor raise a non conformity that "lab to mentioned the mean value at which measurement of uncertainty has been mentioned".
Please find herewith the attached calculation sheet of uncertainty measurement. I think average value which we have calculated is the mean value what auditor raise the NC.
Please help me to remove this NC
I don't understand the problem. What requirement did the auditor cite in the statement of nonconformity?
 

BradM

Staff member
Admin
#4
Prakash, I'm certainly no expert in this. But looking at your uncertainty spreadsheets, I like what you did. :agree1:

I'm not sure what the auditor was citing. The calculations looked pretty good to me. I didn't see any type B for a pH. Surely the buffer solution would add some uncertainty. Is there temperature compensation maybe?

But I'm like Howste. I would be interested to find out exactly what the citation was for. And if it's a technical component for 17025, I would think the citation would better identify the technical deficiency. :)
 
S

sathishthantri

#5
I do agree that the calculations are satisfactory.
Is it an understanding problem ?
Is there an error in the statement (which is little bit unclear to me): lab to mentioned the mean value at which measurement of uncertainty has been mentioned". ? Maybe there could be a better support if the NC is clear.
 
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