DL/T 1489-2015 in English

This standard specifies the technical requirements and test methods for the design and performance of a specific type of electrical measuring device used in power systems. It covers aspects such as structural design, electrical characteristics, environmental adaptability, and safety requirements. The document provides detailed guidelines for the manufacturing, inspection, and marking of the device to ensure consistency and reliability in its application. It also outlines the procedures for testing and verification to confirm compliance with the specified performance criteria. This standard is applicable to the development, production, and quality control of the device, and serves as a reference for relevant manufacturers and users in the industry. It includes definitions, technical parameters, and requirements for various operational conditions that the device may encounter during its service life.