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Calibration Method and Measurement Uncertainty


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calibration (general topics), measurement uncertainty (mu)
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  Post Number #1  
Old 4th February 2013, 05:40 PM
ACE_LLL

 
 
Total Posts: 1
Please Help! Calibration Method and Measurement Uncertainty

I have been reading through posts on validating calibration methods, etc but I am still running into a wall on few things. In order to attain the 17025 certification;
1. Do we need to run each of our procedures through a protocol and record all measurement of uncertainty information?
2. For the uncertainty measurement; do we have to use a combination of type A and type B for uncertainty or can you use one method?
3. Regarding previously validated procedures; can anyone provide a link to a couple of those?
4. Do we need to reference previously validated procedures in our current procedures or is it best to use those already validated and just run the uncertainty tests?

Thanks!

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  Post Number #2  
Old 6th February 2013, 06:32 AM
Stijloor's Avatar
Stijloor

 
 
Total Posts: 15,173
Re: Calibration Method and Measurement Uncertainty

A Quick Bump!

Can someone help?

Thank you very much!!
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  Post Number #3  
Old 14th February 2013, 04:30 PM
Hershal's Avatar
Hershal

 
 
Total Posts: 2,486
Re: Calibration Method and Measurement Uncertainty

Quote:
In Reply to Parent Post by ACE_LLL View Post

I have been reading through posts on validating calibration methods, etc but I am still running into a wall on few things. In order to attain the 17025 certification;
1. Do we need to run each of our procedures through a protocol and record all measurement of uncertainty information?
2. For the uncertainty measurement; do we have to use a combination of type A and type B for uncertainty or can you use one method?
3. Regarding previously validated procedures; can anyone provide a link to a couple of those?
4. Do we need to reference previously validated procedures in our current procedures or is it best to use those already validated and just run the uncertainty tests?

Thanks!
For number 1, you do need to record calibration information. Retention is documented under the quality system.
Number 2, both are required for a valid uncertainty number. You may experience some occasions when only one is available, but those are rare.
Number 3, I would start at www.gidep.org
Number 4, you can do that either way, depending on your needs.
Hope this helps.
Thank You to Hershal for your informative Post and/or Attachment!
  Post Number #4  
Old 5th April 2013, 02:43 PM
newcleus

 
 
Total Posts: 6
Re: Calibration Method and Measurement Uncertainty

One of the best ways to validate your calibration and MU method is to participate in a proficiency test scheme.
  Post Number #5  
Old 28th February 2014, 06:28 AM
JiteshLad

 
 
Total Posts: 6
Re: Calibration Method and Measurement Uncertainty

NO IDEA IF ANY BODY KNOW ABOUT PLEASE GIVE IDEA OR METHOD.
  Post Number #6  
Old 7th March 2014, 05:41 AM
blueicecube2

 
 
Total Posts: 24
Re: Calibration Method and Measurement Uncertainty

Hi JiteshLad,

What so you mean by idea or method? Do you Measurement Uncertainty (MU)? You can refer to GEUM - Guide to the Expression of Uncertainty in Measurement.

or

you can to to European Metrology website & find publication on MU there.
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