Note 1 Usually the term “maximum permissible errors” or “limits of error” are used, where there are two extreme values.

Note 2 The term “tolerance” should not be used to designate 'maximum permissible error'.

[OIML V2-200:2012, 4.26]

Note 3 Usually the term “maximum permissible error” is abbreviated to “MPE”, or “mpe”.