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E 2793 : 22
Standard Guide for Evaluation, Calibration, and Correlation of E274 Friction Measurement Systems and Equipment

Standard Guide for Evaluation, Calibration, and Correlation of E274 Friction Measurement Systems and Equipment

Document No. E 2793 Document Year 22
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This document is published by ASTM International (ASTM)

Standard Details

1.1 This guide describes the evaluation, calibration, and correlation of Test Method E274/E274M friction measurement systems as conducted at an ISO 17025 accredited field test center (FTC).2 The evaluation, calibration, and correlation process, using the specialized equipment, facilities, surfaces, trained personnel, and area reference friction measurement systems (ARFMS) available at each FTC, are conducted using the procedures described below.

1.2 The FTC complies with the requirements of Guide E1890. Guide E1890 requires a more stringent calibration process and requires all ARFMS systems be correlated together once a year on three surfaces at three speeds with twelve repeats each for a total of 108 pairs.

1.3 This guide is offered as a process to identify and quantify the variables that affect system performance, to minimize the effect of these variables, and to provide a means to relate Test Method E274/E274M friction measurement systems to reference friction measurement systems.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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