Editing The Output Setting; Displaying The Output Error - Fluke 5520a Operator's Manual

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Editing the Output Setting

Turn the Edit Field knob clockwise to increase the

output value or counter-clockwise to decrease the

output value. To select a higher order digit, use

the key Lor W.. The output digit selected for

editing is underlined.

When you edit the output value, the Control

Display shows the difference between the

reference value (the value you originally entered)

and the edit value (the value shown in the Output

Display), displaying error difference in parts per

million (ppm) or percent (%). For example, if ERR

UNI is set to > 100 ppm, the error will be displayed

in ppm up to 99 and then the error will change to

0.0100% at 100 ppm. This allows you to edit the

output such that the UUT displays the expected

value and thus give an indication of the UUT

accuracy

For example, the edited difference of 0.00030 V

for an output of 10.00000 V represents

0.00030/10.00000=0.000030, or 30 ppm.

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