Online Monitoring for Digital Power Meter (Model YG889E-3SY) …
https://solarduino.com/online-monitoring-for-digital-power-meter-model-yg889e-3sy-through-modbus-rtu-rs485-using-blynk-and-nodemcu/
WebJan 17, 2021 · Digital Power Meter is a professional monitoring device used to display many important Electrical parameters such as Voltage, Current, Power, Energy, and Power Factor. It supports 3 phase and can measure high voltage and current subject to the applied Current and Voltage Transformers. Grab one at our Aliexpress affiliate link here !!!
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