Selling Lightning Counter from Aneka Grounding in Jakarta. Lightning Counter is a tool that serves to calculate the number of lightning strikes through the installed lightning distributor. This equipment is designed to show lightning strikes regarding anti-lightning installations and installed metal structures. Basically there are two types of lightning counters or counters of lightning strikes, the first is lightning counters whose mechanism of action uses a potential difference system. While the second type of lightning counter is using an induction mechanism.