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Item specifics
Product Description
Active Single Phase Voltage Transformer Module AC Output Voltage Sensor for Arduino Mega ZMPT101B 2mA Transformer Feature:
Voltage Transformer: Onboard Precision Micro Voltage Transformer Operational amplifier circuit: high-precision on-board amplifier circuit, the signal to do the exact sampling and appropriate compensation and other functions Mode voltage output: the module can measure AC voltage within 250V, the corresponding output mode can be adjusted Output signal: the output signal for the sine wave, the waveform of the median (DC component) Supply voltage: 5-30v Package Included:AC-DC 5V 700mA 3.5W Power Supply Buck Converter Step Down Module for Arduino Introduction: The module is equipped with the ZMCT103C series of small high-precision current transformers and high-precision op amp circuits for accurate sampling and proper compensation of signals. It is convenient for signal acquisition of AC power within 5A. The corresponding output analog AC signal can be adjusted. The required output voltage can be adjusted according to the potentiometer (adjusting the amplification ratio, the amplification range is 0-100 times), but the maximum voltage at the output (OUT) will not exceed 1/2 VCC.Parameter:ZMCT103C parametersRated input current: 5ARated output current: 5mAChange ratio: 1000:1Phase difference: less than or equal to 20' (100Ω)Linear range: 0-10A (100Ω)Linearity: 0.2%Precision level: 0.2Isolation withstand voltage: 3000VWorking temperature: -40 ° C ~ 70 ° CSealing material: epoxy resinModule supply voltage: 5-30V DCPin interface: Instructions:During measurement, the signal conductor to be tested passes through the transformer hole, VCC and GND are connected to the DC 5-30V power supply, VOUT and GND are connected to the oscilloscope, and the potentiometer is adjusted to get the waveform you want. The amplitude of the waveform will follow The measured current increases and increases, but the maximum does not exceed 1/2VCC.The following figure shows the waveform measured when VCC is connected to a 5V power supply and one of the 60W soldering irons passes through the round hole of the transformer:![]() ![]() |