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eafpres1
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Re: Modify Test Equipment: Yes or No?
eafpres1   3/5/2014 1:38:03 PM
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@Martin--it is interesting to think through this switch thing.  All handheld DVMs/DMMs have at least one big rotary switch.  When we used those in production, they had to be calibrated/certified.  There were stickers on them showing the dates, and when they were due back to re-cert.  But I don't ever recall anybody checking the meter if they changed the rotary switch.  There is some exposure there that you could be doing bad measurements.



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