This product is mainly used for direct lightning strike count of external lightning protection system such as flasher, down-lead and so on, or lightning strike count of T1, T2 type surge protector of power distribution system..
Features:
●The operating current has a wide range and can be used in 10/350μs and 8/20μs lightning wave.
●German brand mechanical watch head, no power supply, reliable performance
●Protection level up to IP67, can be used outdoors.