A simple everyday example to illustrate the difference between a type A evaluation and a type B evaluation.
Пікірлер: 12
@LetsTex4 жыл бұрын
Thank you very much! Very helpful!! I love the examples!
@zyskazyska7217Ай бұрын
thanks so much
@farazhedayati9 жыл бұрын
Thanks. Learned a lot :)
@HNMetrology9 жыл бұрын
Thank you for your feedback. I am glad you found it helpful. - Henrik
@donnymac5756 жыл бұрын
How much is the full course and how do we get access to it?
@HNMetrology6 жыл бұрын
You can access the course here: iso-gps.com/p/uncertainty . The fee for the course is $199.
@anandanramachandran39303 жыл бұрын
Sir, you have excel. Type A i got it. But type B uncertainty not getting. please help
@HNMetrology3 жыл бұрын
A type A evaluation of an uncertainty component involves making repeated measurements and calculating a standard deviation from those measurements as an estimate of that uncertainty component. It can only be used for uncertainty components you can see as variation from one measurement to the next. A type B evaluation of an uncertainty component is "anything other than calculating a standard deviation from repeated measurements", for example using tolerance limits given in a specification or a calibration certificate and converting that to an equivalent standard deviation by assuming a distribution within those limits. That distribution could, for example, be normal, rectangular, triangular or U-shaped, depending on the nature of the uncertainty component. In the example I assume a normal distribution, but for a tolerance for a piece of measuring equipment, you would typically assume a normal distribution. That is equivalent to saying that you know that the deviation of the equipment is within the tolerance limits, but it is equally likely to be anywhere within those tolerance limits.
@anandanramachandran39303 жыл бұрын
@@HNMetrology Thank you sir, I need mathematical calculation. for example, rectangular, traingular components how to calculate. any pdf document please share.
@anandanramachandran39303 жыл бұрын
@@HNMetrology Sir please help me. Including Uncertainty budget calculation.
@HNMetrology3 жыл бұрын
@@anandanramachandran3930 You can find the conversion factors for the various distributions on my website here: www.hn-metrology.com/distrib.htm