DIN EN 50676-2020 用于制冷剂气体检测和浓度测量的电气设备性能要求和试验方法; 德文版 EN 50676-2019
Electrical equipment used for detection and concentration measurement of refrigerant gases - Performance requirements and test methods; German version EN 50676:2019
This document specifies general requirements for the construction, testing and performance of electrically operated refrigerant fixed gas detection equipment in safety applications. This document does not specify requirements for portable locating leak detectors for refrigerant a