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posted 21 July 1998 01:48 PM               

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I have this question.
Looking at the MSA manual, I noticed that all examples are referred to mechanical instruments (calipers, micrometers, plug gages, pin gages, etc.) and I was trying t find an example of an electronic device like an oscilloscope or mutimeter, etc.
My question is;
If I have a multimeter in my control plan, do I have to perform a complete MSA study?

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posted 21 July 1998 03:39 PM               

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Miguel-

"Complete" in the context of an MSA study is a relative term, or depends on the equipment. You can do a "complete" MSA study on a voltmeter (or any of the other equipment you mentioned) if all you are checking is Bias, linearity, and stability.

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posted 21 July 1998 04:25 PM               

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Thanks for the fast response.
Actually, my question was more related to know if electronic devices (eg. multimeters)are to be considered into the msa element.
If yes, In case of a multimeter which it is used to measure DC Voltage, Do I have to perform bias, linearity and stability studies for that range only?

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posted 22 July 1998 08:38 AM               

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If the multimeter is listed in the control plan you must perform an MSA in the range the instrument is used.

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posted 22 July 1998 12:12 PM               

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Christian,

Thanks for your inputs.
Your comments pretty much help me to solve my problem.

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