This module is an active single phase voltage sensor. It measures AC mains voltage up to 250V. It uses the ZMPT101B transformer. People often use it with a current sensor for energy monitoring. An onboard op-amp gives a clean analog output for microcontrollers. Features and Benefits
- ZMPT101B transformer - It uses a precision voltage transformer for accurate AC voltage measurement.
- Onboard signal conditioning - An active amplifier circuit processes the signal. You can connect it directly to an Arduino's analog input pin.
- Simple 0-5V analog output - It provides an output signal. Most microcontrollers can easily read this, simplifying your project code.
- Compact PCB design - The small board fits easily on a breadboard or in a custom enclosure. This works for home automation or power monitoring devices. Applications
- DIY Energy Monitors - Pair this ZMPT101B voltage sensor with a current sensor. Build a device that tracks your home's real-time power use.
- Home Automation Systems - Put it into your projects. Trigger actions based on voltage levels or watch an appliance's power status.
- Educational Projects - Use the Arduino voltage sensor module to learn about AC power. Capture waveforms and understand power quality.
Common Sensing Methods
A current sensor is a device that detects and measures electric current, converting it into a proportional output signal. This module is a current sensor, specifically a Voltage Transformer Module. Current sensors work by either directly measuring the current passing through a circuit or by indirectly sensing the magnetic field produced by the current. The ZMCT103C 5A Transformer is designed for Arduino Projects, providing an AC output. Understanding these methods helps in selecting the appropriate sensor for specific applications.
Direct (Resistive) Sensing
Direct sensing methods involve placing a resistive element, such as a shunt resistor, directly into the current path. The voltage drop across this resistor is then measured, which is proportional to the current flowing through it. This module's specifications include current sensor models like the ZMPT101B (2mA) and ZMCT103C (5A), which are types of current sensors. While effective for certain applications, direct sensing can introduce power loss and heat, particularly at higher current levels. This product is a Voltage Transformer Module.
Indirect (Magnetic / Non-Contact) Sensing
Indirect sensing methods measure the magnetic field generated by the current without direct electrical contact with the circuit. This approach often uses principles like the Hall effect or current transformers. The Current Sensor Module, featuring the ZMCT103C 5A Transformer, operates as a sensor type that measures current. This method is advantageous for isolating the measurement circuit from the power circuit, enhancing safety and reducing power loss. This module provides an AC output and is compatible with Arduino Mega.
Key Applications
Current sensors, such as the ZMCT103C 5A Transformer module, are crucial in various applications where current monitoring is required. This specific sensor is compatible with Arduino Mega, making it suitable for hobbyist projects and educational purposes. Given its AC output, it can be integrated into systems requiring AC current measurement. It is a Voltage Transformer Module and can be used for tasks like load monitoring, overcurrent protection, and energy management in compatible electronic circuits.
Compatibility: Arduino Mega. Current Sensor Model: ZMPT101B (2mA), ZMCT103C (5A). Output Type: AC. Product Type: Voltage Transformer Module. Sensor Type: Current. EU LVD Voltage: Low Voltage. Isolation Voltage (ZMPT101B): 4000V AC. Operating Voltage: 5V DC (for module power). Voltage Output (ZMPT101B): AC Output. Voltage Sensor Model: ZMPT101B. Current Output (ZMCT103C): AC Output. Rated Output Current (ZMCT103C): 2mA. Compatibility: Arduino Mega. Current Sensor Model: ZMCT103C. Mounting Type: PCB Mount. Product Type: Active Single Phase Voltage Transformer Module. Rated Input Current (ZMCT103C): 5A. Turns Ratio (ZMCT103C): 2500:1. Q: What are the maximum input voltage and current this module can measure? A: The ZMPT101B voltage transformer portion can measure AC voltage up to 250V. The ZMCT103C current transformer on the board is rated for a maximum input current of 5A AC.. Q: How does this current sensor module connect to a microcontroller like an Arduino? A: It's made for easy integration. The board has an operational amplifier that conditions the signal, so you can connect its output pin directly to an analog input on your Arduino to take readings.. Q: Can I adjust the output signal from the module? A: Yes, the board includes a multi-turn potentiometer. You can use it to calibrate the output waveform's amplitude to best fit the analog-to-digital converter range of your specific microcontroller.. Q: What happens if I buy this and can't get it to work with my project? A: We offer a 30-day satisfaction guarantee, so you can return it for a refund if it doesn't suit your needs. We also provide email support to help with basic setup and can direct you to online documentation and examples.. Q: Why should I use this module instead of buying separate voltage and current transformers? A: This module combines both voltage and current sensing onto one compact board, which simplifies your project's wiring and saves space. It comes fully assembled, so you don't have to build the conditioning circuit yourself..