This product is a high-precision AC voltage sensing module based on the ZMPT101B voltage transformer. It is designed for accurate single-phase voltage measurement up to 250V, making it suitable for energy monitoring, Arduino projects, and embedded systems requiring reliable AC signal acquisition.

Key Features:

• High-precision ZMPT101B voltage transformer for accurate voltage measurement
• Onboard operational amplifier circuit for precise signal sampling and compensation
• Measures single-phase AC voltage up to 250V
• Adjustable output amplitude via onboard potentiometer
• Sine wave analog output with DC offset (midpoint reference)
• Wide supply voltage range from 5V to 30V
• Stable waveform output within 0–VCC range
• Optional DC filtering using external capacitor for improved signal quality

Technical Specifications:

• Model: ZMPT101B Module
• Measurement Type: Single-phase AC voltage
• Input Voltage Range: 0–250V AC
• Output Signal: Analog sine wave with DC offset
• Supply Voltage: 5V – 30V DC
• Transformer Type: Precision micro voltage transformer
• Amplifier: High-precision onboard operational amplifier
• Output Adjustment: Potentiometer-controlled amplitude
• Waveform Range: 0 to VCC
• Signal Conditioning: Built-in compensation and sampling circuit
• Optional Filtering: External capacitor (~105 pF) for DC component reduction