Specifications and Characteristics 6
U3402A User’s and Service Guide 107
To Calculate Total Measurement Error
The multimeter's accuracy specifications are expressed in the form:
(% of reading + count)
In addition to the reading error and count error, you may need to add
additional errors for certain operating conditions. Check the list below to make
sure you include all measurement errors for a given function. Also, make sure
you apply the conditions as described in the footnotes on the specification
pages.
• If you are operating the multimeter outside the temperature range
specified, apply an additional temperature coefficient error.
• For AC voltage and AC current measurements, you may need to apply
an additional low frequency error or crest factor error.
U3402-90001.book Page 107 Friday, July 24, 2009 4:04 PM
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