The ZMPT101B AC Voltage Sensor Module is a high-precision voltage sensor designed for accurate AC voltage measurement in various DIY and electrical projects. It is compatible with platforms like Arduino, ESP8266, and Raspberry Pi, and provides essential features such as high galvanic isolation, wide voltage measurement range, and high accuracy. The module includes an onboard precision op-amp circuit that ensures precise signal sampling and compensation, making it suitable for metering, fault detection, and household or industrial applications. It can measure AC voltages up to 250V with an adjustable analog output.

Features:

• High precision onboard miniature voltage transformer
• AC voltage measurement up to 250V
• High accuracy and consistency
• Onboard precision op-amp circuit for signal sampling
• Adjustable analog output
• Small size, lightweight, and easy PCB mounting
• Suitable for open-source platforms (Arduino, ESP8266, Raspberry Pi)
• Operating temperature: -40C to +70C

Applications:

• AC voltage measurement
• Electrical metering (energy meters)
• Sensing overload currents
• Ground fault detection
• Household electrical devices
• Industrial equipment
• Electrical testing and relay protection