ZMPT101B AC voltage sensor module

The ZMPT101B voltage sensor module is capable of measuring AC voltages in the range of 0 to 250V. It provides a convenient and reliable way to interface AC voltages with microcontrollers or other digital systems, as it outputs a corresponding analog voltage signal that can be easily read by these devices.

Supply Voltage: 5-30VDC
Input Voltage: 250VAC Maximum

Calibration:

a. Apply a known AC voltage to the primary side, for example, a voltage of 220VAC.

b. Measure the voltage output from the "Vout" terminal using a multimeter or microcontroller.

c. Compare the measured output voltage with the expected value. If there is a discrepancy, you can adjust the module by trimming the potentiometer located on the module.

d. Gradually adjust the potentiometer while monitoring the output voltage until it matches the expected value. Be cautious and make small adjustments to avoid overcorrecting.

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