Alarm function: an emergency alarm , alarm displacement, speed alarm, exceed alarm, low - battery alarm, anti - theft alarm .
报警功能: 紧急报警 、 位移报警 、 超速报警 、 越区报警 、 低电报警 、 防盗报警.
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It'shall have SF 6 gas density relay and emergency alarm as well as blocking operating mechanism.
有SF6气体密度继电器,并能事故报警,及闭锁操作机构.
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