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There is also a lightning strike counter mounted in the Mez level rotator, on the North side of the main entrance doors. Batteries were replaced on 5/4/2022, counter reset to 0 and the time and date set; the docs call for CR17553 batteries, but CR123 lithium batteries are equivalent and are easier to source.
More details on the system and our protocols are here:
/wiki/spaces/DSEH/pages/1771896925
EFM-100 Software for Lightning Detector
V2.12 is the latest version as of 10/25/2022
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