Thunderstorm Electric Field Mill EFM550

Vaisala Thunderstorm Electric Field Mill EFM550 integrates with Vaisala local area, real-time lightning systems to monitor the development and dissipation of overhead lightning threats by measuring the local atmospheric electric field. It also identifies when the threat has passed, providing valuable information to operations especially vulnerable to lightning. EFM550 data can be displayed using optional Vaisala ALARM Automated Lightning Alert Risk Management Software to show current electric field measurements numerically and graphically.

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Key Benefits

Advance warning of overhead lightning threat
Provides high-resolution lightning threat data and minimizes false alarms.
Exceptional reliability and low maintenance
No preventative maintenance required during the first two years of operation.
Flexible siting and easy installation