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Standard Guide for the Evaluation, Calibration, and Correlation of E274 Friction Measurement Systems and Equipment (Includes all amendments And changes 9/15/2016).
Automatische name übersetzung:
Standard-Leitfaden für die Bewertung, Kalibrierung und Korrelation von E274 Friction Measurement Systems and Equipment
NORM herausgegeben am 1.12.2010
Bezeichnung normen: ASTM E2793-10e1
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.12.2010
SKU: NS-46048
Zahl der Seiten: 5
Gewicht ca.: 15 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
ICS Number Code 21.260 (Lubrication systems)
Significance and Use | ||||||||||||||||
Friction characteristics of road surfaces are monitored by friction measurement systems, and the operating procedure for the use of these systems is found in Test Method . However, mechanical or electronic system anomalies, over time, could result in measurement errors or inaccuracies. This requires that each of these systems be evaluated, calibrated and correlated on a regular basis. This guide defines the process of ensuring that Test Method systems produce consistent and accurate data and correlating the Test Method systems to national benchmark Test Method systems. |
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1. Scope | ||||||||||||||||
1.1 This guide describes the evaluation, calibration, and correlation of Test Method friction measurement systems as conducted at a Field Test Center (FTC) . 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 . Guide requires a more stringent calibration process and requires all ARFMS system 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 friction measurement systems to reference skid 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||||||
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Historisch
1.12.2011
Historisch
1.8.2014
Historisch
1.4.2013
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1.4.2013
Historisch
1.5.2013
Historisch
1.9.2014
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