The APM521 network power meter (hereinafter referred to as the meter) is designed according to IEC international standards, featuring full electrical quantity measurement, energy statistics, power quality analysis, event logging functions, and network communication capabilities. It is primarily used for comprehensive monitoring of power supply quality in power grids. This series of meters is equipped with DI/DO modules and AO modules that offer a wealth of functions, allowing for flexible implementation of full electrical quantity measurement and monitoring of switch statuses in electrical circuits.

● True RMS Measurements ● THD with 2-31st Harmonics ● Max/Min Log with Timestamp ● Internal Optional 4DI&2DO or 2DI&2DO&2AO ● Standard one Energy Pulse Output

● True RMS Measurements
● THD with 63rd Harmonics
● K-Factor and Crest Factor
● Unbalance & Phase Angles
● Demands and Multi-Tariff energy
● Max/Min Log with Timestamp

ADL100-ET single phase electric meter is designed for single phase energy measurement on low voltage system and EV charging pile. The meter meet the related technical requirements of electronic meter in the IEC62053-21、IEC62053-22 standards.