Overview
Lightning counters are specialized devices designed to record and display the number of lightning strikes experienced by a structure’s lightning protection system. By monitoring these events, maintenance teams can assess exposure levels, ensure system reliability, and plan timely inspections after each strike.
Built to withstand extreme weather conditions, these counters operate reliably without requiring any external power source. They are an essential part of any comprehensive lightning protection system.
Key Features
Accurate Strike Recording — Detects and counts every lightning event passing through the down conductor.
Self-Powered Operation — No external power or batteries required.
Non-Intrusive Design — Inductive sensing method ensures safe, direct-free detection.
Weatherproof Construction — IP67-rated enclosure offers full protection against dust, rain, and sunlight.
Easy Installation — Can be installed at any point along the down conductor.
Non-Resettable Counter — Permanent record of all lightning strikes for audit and safety logs.
Wide Operating Range — Performs reliably from -20°C to +85°C.
How Lightning Counters Work and Why They Matter
Lightning counters use an inductive sensing system to detect the high-energy surge of a lightning strike, incrementing their mechanical display with each event. Requiring no external power, they provide maintenance-free operation and a reliable strike history over many years. Ideal for residential, commercial, and industrial buildings, as well as communication towers, power plants, oil, gas, chemical facilities, and renewable energy installations, these counters help monitor lightning activity continuously. Tested and certified to international standards such as IEC 62305 and NFC 17-102, they undergo high-voltage impulse current tests, environmental and temperature endurance trials, and mechanical and waterproofing assessments to ensure long-term reliability under harsh conditions. Minimal maintenance is needed, though periodic checks of counter readings, mounting clamps, and conductor connections are recommended, along with logging strike counts and scheduling system inspections if counts increase. By providing accurate monitoring, lightning counters support preventive maintenance, risk assessment, safety compliance, and insurance reporting while delivering durable, long-term performance.
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