GB / l1792-1989 "test method precision under the conditions of repeatability or reproducibility of the test results obtained under the conditions of acceptability of the test results of the check and determination of the final test results" in the repeatability limit, and repeatability of the definition of the critical extreme deviation [CrR95 (n)], respectively:

Repeatability limit r: a value of r, under the conditions of repeatability, the absolute value of the difference between the results of the two tests The probability of not exceeding this number is 95%.

Repeatability Critical Extreme Difference: a value, under repeatability conditions, the extreme difference between several test results with a 95% probability of not exceeding this number.

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