标准摘要
[中文适用范围]： 本文件规定了用于工业过程和机械控制系统中测量和控制系统的液位变送器测试的特定程序。对于通用测试程序，请参阅适用于所有类型变送器的IEC 62828-1:2017。在整个文件中，“工业变送器”一词涵盖了用于工业过程和机械的测量和控制系统的所有类型的变送器。本文件的要求适用于所有液位测量原理。为了提高清晰度，对两种主要原理的变送器进行了详细描述。 [外文原描述]： IEC 62828-4:2020 establishes specific procedures for testing level transmitters used in measuring and control systems for industrial process and machinery control systems. For general test procedures, reference is to be made to IEC 62828-1:2017, applicable to all types of transmitters. Throughout this document, the term "industrial transmitters" covers all types of transmitters used in measuring and control systems for industrial processes and for machinery. The requirements of this document are applicable to all level measurement principles. Detailed description of transmitters is given for two main principles for improved clarity.
英文名称Reference conditions and procedures for testing industrial and process measurement transmitters - Part 4: Specific procedures for level transmitters