ZMPT101B, a voltage transforme ideal to measure the AC voltage. It has high accuracy, good consistency for voltage and power measurement and it can measure up to 250V AC. It is simple to use and comes with a multi turn trim potentiometer for adjusting the ADC output.Model : ZMPT107primary current : 2ma secondary current : 2mAturns ratio : 1000:1000 phase angle error : ≤45＇（input 2mA，sampling