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近电报警器是电气工作者使用的一种辅助安全工具。它通常是由石英指针式手表和在其中增加的一集成电路块及传感器构成,从外形看它是一只款式新颖、实用美观的手表。工作时,只要伸出戴有报警器的手腕,接近带电体至报警距离以内时,它就能发出连续间隙性的报警声音,提醒作业人员有电击危险,从而有效地防止由于失误而造成的触电伤亡。相应地,将报警器作生产工具,如果报警器靠近导体就响,说明导体有电,不响则无电。
Near-electric alarm is an auxiliary safety tool used by electrical workers. It is usually composed of a quartz pointer watch and an integrated circuit block and sensor added to it. It is a fashionable, practical and beautiful watch in appearance. When working, as long as the wrist with the alarm stick out, close to the charged body to alarm within the distance, it will be issued a continuous intermittent alarm sound to remind the operator there is the risk of electric shock, thus effectively preventing mistakes caused by electric shock casualties. Accordingly, the alarm as a production tool, if the alarm sounded on the conductor, indicating the conductor has electricity, no sound is no electricity.