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FA50 Operation Manual 77
Appendix A. Specifications
A.1 Performance Indicators
A.1.1 Repeatability
The repeatability of the analyzer shall comply with one of the
following requirements:
(1)QC card: repeatedly test the reflection ratio of the quality control
(QC) card, the coefficient of variation (CV) of the test results
should not be more than 1%.
(2)Test card: repeatedly test the card of one item, the coefficient of
variation (CV) of the test results should not be greater than
10%.
A.1.2 Accuracy
Test the reference material (calibrator) with a fixed value, the bias
(B) of its average value and marked value should not be greater
than 10%.
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