Overview
The TPKJ-E is a digital lightning strike counter with RS485 Modbus communication and LED display. Designed to monitor surge events in lightning and SPD grounding systems, it enables remote data reading and maintenance planning based on recorded strike events.
Key Features
RS485 Modbus remote communication interface
4-digit LED display with SET/RESET control
Detects impulse currents from 0.2 kA to 100 kA (8/20 ฮผs)
Records up to 9,999 events
Powered by AC 220V with backup power input
DIN rail mount (35 mm standard)
Compact PA66 housing: 90 ร 65 ร 36 mm
Operating temperature: โ40ยฐC to +80ยฐC
Applications
Surge protection grounding conductors (SPD monitoring)
Lightning protection system event logging
Smart building or substation remote diagnostics
Maintenance alert systems based on strike frequency
Standards and Compliance
Modbus RTU over RS485 supported
Compatible with IEC 61643 SPD integration
Surge withstand: 0.2 kA โ 100 kA (8/20 ฮผs)
Designed for IEC 62305-compliant maintenance
