Product details The AC Voltage Sensor Module ZMPT101B (Single Phase) is ideal for the purpose of the DIY project, where we require precise measurement of AC voltage using a voltage transformer. This is a great option for measuring AC voltage using Arduino, ESP8266, or Raspberry Pi as an open-source platform. In several electrical projects, engineers often work with measurements that require certain fundamental criteria, such as high galvanic isolation, a wide range, high accuracy, and good consistency. The voltage transformer is designed to be compact and precise. It is a module that transforms the AC output voltage of the active phase. Within the precision operational amplifier circuit, the signal is sampled and compensated appropriately to ensure accurate functionality. Modules can be evaluated using a 250V AC voltage, and the accompanying analogue output can be modified. It is a new item that is of good quality and performs well. Specifications Voltage upto 250 volts can be measured Light weight with on-board micro-precision voltage transformer High precision on-board op-amp circuit Operating temperature : 40ºC ~ 70ºC Supply voltage 5 volts to 30 volts Analog output corresponding quantity can be adjusted. Pcb board size : 49.5 (mm) x19.4 (mm) Weight:21g.