Industry Criteria and Conformity: Just How EML Calibration Ensures Your Dial Indicators Meet Regulatory Requirements
https://wiki-book.win/index.php/Picking_a_Dial_Indicator_Calibration_Companion:_What_Sets_EML_Calibration_In_Addition_To_the_Relax
If you rely on dial signs for assessments or item acceptance, you need calibration that's deducible