| Description de l'article | Power quality monitor / electric energy quality monitoring - ESE-22221-R - intelligent electricity series, monitors the full electrical parameters of low-voltage three-phase circuits, high-precision monitoring of 174 electrical parameters in all dimensions, and CAN detect voltage, current, power, power factor, phase angle, imbalance, harmonics, etc; Support alarm outputs such as overvoltage, overcurrent, phase failure, relay output di linkage, etc; Oled screen display supports local queries, alarms, settings, etc; Support remote management, RS485, MODBUS communication; Support 2-CHANNEL digital input status detection and 1-CHANNEL relay output linkage control; The default measurement accuracy is 0.5 level, and it CAN be customized to 0.2 level |