DL/T 249-2012 in English

This standard provides guidance on the selection of online monitoring devices for dissolved gases in transformer oil. It outlines the key considerations and criteria that should be taken into account when choosing such equipment. The document covers aspects such as technical performance, operational requirements, and compatibility with existing systems. It also includes recommendations for installation, maintenance, and data interpretation. The standard aims to ensure that the selected devices meet the necessary quality and reliability standards. Additionally, it addresses the importance of proper calibration and regular testing to maintain accurate and consistent results. The guidance is intended for use by engineers and technical personnel involved in the planning and implementation of transformer oil monitoring systems.