DAOKI 4 pcs 5-30V ZMPT101B Voltage Transformer Module, Single Phase Active Output AC Voltage Sensor Board Power Supply…

Product description
Instructions:
1. When L, N is hooked up to AC220V. VCC, GND input DC5V-30V. OUT, GND connected to the oscilloscope can get a sine wave.
2. Adjust the potentiometer can change the amplitude of the output waveform (the middle value won’t change throughout the adjustment process), the waveform of the range of 0-VCC;
3. If the waveform is distorted in the process of increasing the amplitude, it may be solved by accurately increasing the operating voltage VCC. If you wish to have the middle value of the waveform to move to 0 o’clock, you’ll connect a capacitor of about 105pF in series with OUT to filter out the DC component in the waveform.

Package Includes:
4 x Voltage Transformer Module
1 x Dupont Line

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【Analog voltage output】：The module can measure AC voltage within 250V and the corresponding analog output will also be adjusted.
【Output signal】：The output signal is a sine wave, and the median value of the waveform (DC component) is 1/2 VCC.
【With ZMPT101B series】: Single-phase AC active output voltage mutual inductance module equipped with ZMPT101B series of high-precision voltage transformer and high-precision op amp current, easy to 250v inside the AC power signal acquisition
【Operational amplifier circuit】: high-precision on-board amplifier circuit, the signal to do the exact sampling and appropriate compensation and other functions
【Voltage Transformer】: Onboard precision micro voltage transformer. Supply voltage: 5-30v