


ZMPT101B Single Phase AC Voltage Sensor Module
- High-precision ZMPT101B AC Voltage Sensor Module for accurate AC voltage measurement up to 250V
- Features onboard precision op-amp circuit for stable and accurate signal sampling
- Provides adjustable analog output for flexible integration
- Ensures high galvanic isolation for safe and reliable voltage measurement
- Compatible with Arduino, ESP8266, and Raspberry Pi platforms
- Ideal for energy meters, fault detection, and industrial monitoring applications
Product Details
ZMPT101B AC Voltage Sensor Module (High-Precision Voltage Detection)
The ZMPT101B AC Voltage Sensor Module is a compact and high-accuracy solution for measuring AC voltages up to 250V. Built around a miniature precision voltage transformer and an onboard op-amp circuit, it provides stable and linear analog voltage output suitable for microcontroller-based systems such as Arduino, ESP8266, and Raspberry Pi.
With its excellent galvanic isolation and wide measurement range, the module is ideal for energy metering, fault detection, and electrical diagnostics in both household and industrial environments. The onboard potentiometer allows users to adjust sensitivity for accurate calibration to the desired voltage range.
🔧 Key Features
- Sensor Type: ZMPT101B Precision Voltage Transformer
- Measurement Range: AC voltage up to 250V
- Accuracy: High precision and consistency
- Output Type: Analog voltage output (adjustable via potentiometer)
- Op-Amp Circuit: Onboard precision operational amplifier for signal conditioning
- Galvanic Isolation: Safe isolation between high-voltage and low-voltage sides
- Compatibility: Works with Arduino, ESP8266, ESP32, and Raspberry Pi
- Compact Design: Small, lightweight, and easy to mount on PCBs
- Operating Temperature: -40°C to +70°C
💡 Applications
- AC Voltage Measurement in automation and monitoring systems
- Energy Metering and power usage tracking
- Overload and Fault Detection in electrical circuits
- Ground Fault and Leakage Detection systems
- Smart Home and Industrial Equipment monitoring
- Relay Protection and control circuits
⚙️ Technical Specifications
| Module Name | ZMPT101B AC Voltage Sensor Module |
| Voltage Measurement Range | 0V – 250V AC |
| Output Signal | Analog Voltage (proportional to input) |
| Isolation Type | High Galvanic Isolation |
| Onboard Circuit | Precision Operational Amplifier |
| Adjustability | Output sensitivity adjustable via potentiometer |
| Operating Voltage | 5V DC typical |
| Operating Temperature | -40°C to +70°C |
| Interface Pins | VCC, GND, OUT (3-pin header) |
| Dimensions | Approx. 3.0 cm × 2.0 cm |
📦 Package Includes
- 1 × ZMPT101B AC Voltage Sensor Module
Specifications
- TypePower Module
- Operating Voltage5V DC
- Temperature Range-40°C – +85°C
- Output TypeRegulated DC Voltage
- Sampling RateNot Applicable
- InterfaceAnalog input









