IPC-TM-650 EN 2022 试验方法1.pdf - 第29页
IPC-TM-650 Page 2 of 10
Figure 1 Measurement Repeatibility and Reproducibility
Repeatibility
Reproducibility
Accuracy
Accuracy
Reproducibility
Repeatibility
How close is the
measurement to the
true value?
True
value
How close are a series of
measurements by several
people on the same part on
the same equipment?
True
value
True
value
How close is a series of
measurements on one
part by one person?
Operator A
Operator C
Operator
B
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IPC-TM-650
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Table 1 K Factors
K Factors
Readings K
Conditions K Samples K
IPC-TM-650
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