Features：
1, The current sensor chips: ACS712ELC-20A;
2, pin 5V power supply, on-board power indicator;
3, the module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A;
4, no test current through the output voltage is VCC / 2;
5, PCB board size: 31 (mm) x13 (mm);
Note: ACS712 is based on the principle of the Hall test, please use this field to avoid impact.
Packing List:
3 x HALJIA 20A Range Current Sensor Module