Error Limit

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Explanation of terms

In measurement or testing technology, error limits or limit deviations [1] are agreed or guaranteed maximum values for positive or negative deviations of the measured value display (output) of a measuring device from the correct value [2] (see also: measured value). Error limits must therefore be clearly distinguished from measurement errors and measurement uncertainty. Error limits depend on the technical effort involved and on fundamental physical and measurement-related limits. Depending on its age and the standard used, a technical measuring device can be assigned an error limit of, for example, class 1.0 and 0.5 % or accuracy classes 0.5 or 1.0.

See also

• Errors
• Measured value
• Measuring uncertainty
• Measurement deviation

References

[1]	DIN EN 60051 (2017-11): Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories – Part 1: Definition and General Requirements Common to all Parts (IEC 60051-1:2016) (identical to VDE 0411-51-1:2017-11)
[2]	DIN 1319-1 (1995-01): Fundamentals of Metrology – Part 1: Basic Terminology