Electronics > Metrology

Spread sheet aided calculation for standard resistor measurement

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zlymex:

--- Quote from: dacman on June 22, 2016, 09:37:13 pm ---Addition and subtraction only work because the standard is close to nominal.  If the standard had an offset of, for example, -900 ppm, then there would be an error of about 1 ppm in the result when compared to multiplying and dividing.

--- End quote ---
Correct. But if a standard has that kind of deviation as -900ppm, the tester probably won't care about 1ppm in the first place.

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