| Description de l'article | Intelligent lightning protection monitor / lightning protection monitor - ESM-2101-R-SMART lightning protection series, 220V power supply, digital tube screen display; Support local quick query of real-time status values, alarm values, etc., and support local settings; Real time monitoring of pre air switch/backup protection status, SPD remote signaling status, grounding status, induction/lightning intrusion frequency monitoring, temperature, etc. CAN be achieved; Default 485 communication |