Wireless lightning arrester online monitoring system based on Internet of Things protocol
Full current measurement range: 50μA～10.0mA/effective value; measurement error: ±3﹪
Record the cumulative number of discharge actions: 0～99 times, accuracy rate: 100﹪
Discharge action count response value: 8/20μS≥50A/(peak value)
Impact residual pressure: 4/8μS 5kA/≤1.5kV/peak
Acquisition phase number: three-phase (A·B·C)
Sending methods: two types, active (automatic) and passive (manual).
Sending interval: standard 15 minutes once (can be adjusted according to user requirements)
Alarm threshold setting: select a value within the measurement range.
Power supply mode: solar + lithium battery.
Applicable environment: used outdoors. -30℃～70℃<95℅RH (non-condensing);
Transmission method: 2.4G/470M LORA network (support IoT micro power/low power consumption wireless protocol