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由于自然灾害和人为因素,不少电法台站的AB供电线或MN测线时而发生断线丢线现象,直接影响观测资料的连续性,给国家财产造成不应有的损失,为此,我们设计试制了一台外线断路报警器在涿县台试用,自1983年7月安装以来使用至今,在三年多时间中仪器工作稳定,监视AB线断接情况灵敏,耗电少。使用者认为该仪器适宜在电法台推广,以利于地电监测正常连续工作。一、主要技术指标
Due to natural disasters and human factors, many AB stations or MN survey lines at the Dadian station have the phenomenon of disconnection and disconnection, which directly affects the continuity of the observed data and causes undue losses to the state property. Therefore, We designed and manufactured an external circuit breaker for trial use at Yixian County Station. Since its installation in July 1983, it has been operating for more than three years. The monitoring of AB line disconnection is sensitive and consumes less power. Users think the instrument suitable for popularization in the electric law station, in order to facilitate the normal continuous monitoring of geoelectric power. First, the main technical indicators