PZEM-004T V3.0 AC Energy Meter Module – UART Interface

The PZEM-004T V3.0 is an AC energy monitoring module designed for measuring voltage, current, power, and energy consumption in electrical systems. It operates within an 80–260 VAC range and communicates through a UART interface, making it compatible with platforms such as Arduino, ESP8266, and Raspberry Pi. The module includes a split-core current transformer for non-intrusive current measurement and provides reliable monitoring for power management applications. Its compact PCB design allows easy integration into DIY electronics, smart energy monitoring, and embedded measurement systems.

• AC voltage, current, power, and energy measurement
  
• Operating voltage range 80–260 VAC
  
• Rated current measurement up to 100 A
  
• UART serial communication interface (9600 bps)
  
• Compatible with Arduino, ESP8266, and Raspberry Pi
  
• Split-core current transformer for non-invasive sensing
  
• High galvanic isolation for measurement safety
  
• Energy consumption monitoring and data acquisition
  
• Compact PCB design for embedded integration
  
• Suitable for smart energy monitoring systems
  
• Stable measurement accuracy up to ±1%
  
• Easy connection with microcontrollers

• Working Voltage: 80–260VAC
  
• Measurement Voltage Range: 80–260VAC
  
• Rated Current: 100A
  
• Maximum Power Measurement: 22000W
  
• Operating Frequency: 45–65Hz
  
• Measurement Accuracy: ±1%
  
• Communication Interface: UART
  
• Baud Rate: 9600bps
  
• Supply Voltage: 5V DC
  
• Current Sensor Type: Split Core Current Transformer
  
• Current Transformer Diameter: 33mm
  
• PCB Size: 31mm × 74mm

• PZEM-004T V3.0 AC Energy Meter Module Datasheet
• PZEM-004T-V3 ESP8266 Din Rail Case

• PZEM-004T Sensor Tutorial (Current, Voltage, Frequency)