On --spot detector in batches of low pressure power consumption

The utility model relates to an on - -spot detector in batches of low pressure power consumption, including current measurement circuit and voltage measurement circuit current measurement, signal gainSO connects chip IC1's G0 port simultaneously in the circuit, G1 port and G2 port, chip IC1's V+ port connects + the 5V power, while IC1's V+ port is through electric capacity C1 ground connection, chip IC1's V does the port connect 5V, while chip IC1's V the port is through electric capacity C2 ground connection, chip IC1's IN port meets incoming signal end SI, chip IC1's GND port ground connection, chip IC1's OUT port is through electric capacity C3 ground connection chip IC2's VIN port, chip IC2's R1 port is through resistance R1 ground connection, chip IC2's R1 port meets slide rheostat RW through resistance R2, the utility model discloses a circuit accurate measurement transmission line voltage and electric current prevent effectively that steal electricity from leaking electric phenomena, and safe and relia