Combine The Error Types - Fluke 5730A/03 Operator's Manual

5730A
Operators Manual
Figure 4-9 illustrates linearity error with both offset and scale errors assumed to be zero.
The formula for linearity error yields:
Calibrator Setting

Combine the Error Types

The actual error of a meter is the combination of all three types of errors. The Calibrator
uses the Scale and Offset selections to separately show all three types of errors directly,
without any calculation.
4-38
(10.0 – 9.993)
Linearity Error=
19.900 V
Linearity
10.000 V
Error =
+7 mV 9.993 V
0
Figure 4-9. Linearity Error
= 0.000352 = +0.0352 %
19.9
Linear Response
10.000 V
Meter Reading
Actual
Response
19.900 V
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