1.1 本指南提供了用于在线煤炭分析仪测量性能评估的技术。 1.2 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践，并确定监管限制的适用性。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《国际标准、指南和建议制定原则决定》中确立的国际公认标准化原则制定的。 =====意义和用途====== 5.1 在线分析仪用于提供大量煤炭的质量数据。 生成的质量数据用作生产工具或某些合同应用。本指南提供了评估分析仪系统和生成数据的方法。 5.2 熟悉文档的术语和布局。测试设计和数据收集部分将提供收集所有分析数据的方法。应仔细设计测试，以确保满足用户的要求。 5.3 本指南中定义的程序可用于评估在线分析仪的准确度和精密度: (1) 安装后进行验收测试，以及 (2) 监控准确度和精度 （a） 在常规使用（质量控制）期间， （b） 分析仪发生重大变化时，以及 （c） 当所分析的煤发生显著变化时（例如，矿井的不同煤层或发电厂的新煤源）。 这些程序也可用于校准目的。

1.1 This guide provides techniques to be used for the evaluation of the measurement performance of online coal analyzers. 1.2 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. 1.3 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. ====== Significance And Use ====== 5.1 Online analyzers are used to provide quality data on lots of coal. The resulting quality data are used as a production tool or for some contractual application. This guide provides the means of evaluating the analyzer system and the data produced. 5.2 Become familiar with the document's terminology and layout. The section on test design and data collection will provide the means by which all the analysis data will be gathered. The test should be carefully designed to ensure the user’s requirements are met. 5.3 The procedures defined in this guide can be used to estimate the accuracy and precision of an online analyzer: (1) to conduct acceptance testing following installation and (2) to monitor the accuracy and precision (a) during routine use (quality control), (b) when significant changes are made to the analyzer, and (c) when a significant change in the coal being analyzed occurs (for example, a different seam at a mine, or a new coal source at a power plant). These procedures can also be used for calibration purposes.