Reference: RBD-2224
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The PZEM-004T AC Multi-function Electric Energy Metering Power Monitor with Open CT is a compact and accurate solution for measuring voltage, current, power, and energy in single-phase AC systems. Designed for smart energy management and IoT integration, this module offers precise readings with ±1% measurement accuracy. It operates within 80–260VAC and supports up to 100A current measurement, making it ideal for various household and industrial applications. The PZEM-004T communicates easily via TTL serial interface and can connect with microcontrollers like Arduino, ESP8266, ESP32, or Raspberry Pi to record and analyze power usage data. It also includes an open-type current transformer (CT) for safe measurement without direct electrical contact. Equipped with data retention during power-off and an energy reset button, this module is a must-have for any power monitoring or automation project. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Accurate Multi-Parameter Measurement: Simultaneously measures voltage, current, power, and energy.
High Compatibility: Works seamlessly with Arduino, ESP8266, ESP32, and other MCU platforms.
TTL Serial Communication: Allows direct serial data exchange and easy integration with IoT systems.
Open CT Sensor: Enables safe, non-contact current measurement without breaking the circuit.
Power-Down Memory: Retains cumulative energy data even during power loss.
Clear Function Button: Instantly resets the energy count when needed.
Wide Voltage Range: Operates effectively from 80–260VAC and supports 45–65Hz frequency range.
Easy-to-Use Interface: Plug-and-play connection with simple wiring and pre-calibrated accuracy.
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Home Energy Monitoring: Track real-time electricity usage for efficiency optimization.
Industrial Power Management: Measure machine-level energy consumption for performance analysis.
IoT Energy Projects: Integrate with Arduino or Raspberry Pi for smart metering systems.
Educational and Research Projects: Use in labs and classrooms for power measurement experiments.
Solar and Inverter Systems: Monitor output and load characteristics in renewable energy setups.
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| General Specifications | |
| Model | PZEM-004T |
| Operating Voltage | 80–260VAC |
| Test Voltage | 80–260VAC |
| Rated Current | 100A |
| Rated Power | 22,000W |
| Operating Frequency | 45–65Hz |
| Measurement Accuracy | ±1.0% |
| Interface Type | TTL Serial Communication |
| Power-Down Memory | Supported |
| Clear Function | Yes (Button Reset) |
| Compatible Platforms | Arduino, ESP8266, ESP32, Raspberry Pi |
| Sensor Type | Open CT (Current Transformer) |
| Operating Environment | Indoor Use Only |
| Shipment Weight | 0.1153 kg |
| Shipment Dimensions | 11 × 7 × 4 cm |
Please allow 5% measuring deviation due to manual measurement.
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Note: Package does not include a USB cable
1 x PZEM-004T AC Multi-function Electric Energy Metering Power Monitor with Open CT
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