PZEM-004T Energy Monitor Module—10A AC Power Meter

Article By :- Priya Kumari

Introduction

The PZEM-004T Energy Monitor Module (10A AC Power Meter) is a small and powerful tool to measure voltage, current, power, and energy consumption in AC systems. It's a perfect solution for real-time monitoring and accurate measurements for low to medium-power applications by the maker community, professionals, and automation developers. The module comes with a straight forward UART communication and can be easily integrated with microcontrollers such as Arduino or ESP8266, hence it is a great device for smart home systems, energy-saving projects, and industrial monitoring setups.

Working Principle

The PZEM-004T works on the principle of anon-invasive current sensing by means of a current transformer  (CT)sensor. The module takes current and voltage measurements at the same time, then infers the parameters such as power (W), energy (Wh), frequency (Hz) and power factor (PF) etc. It sends the data using a serial interface, so the developers can easily view and log the real-time electrical parameters.

Features of PZEM-004T Module

·         Measures voltage, current, power, energy, frequency and power factor.

·         AC current measurement of upto 10A is supported.

·         Communication interface UART for the effortless connection with microcontrollers.

·         High precision with the use of digital signal processing for stable readings.

·         Small size device is perfect for embedded and IoT-based projects.

·         Energy metered data storage is possible after the power is switched off.

Technical Specifications