The utility model provides a long distance pipeline and little magnetism of a station process line detect signal collector, includes the box, installs wireless transmission module, signal acquisition module, voltage stabilizing module, power supply and signal gain module in the box, during the induced magnetic field signal that collects the signal acquisition module imported the signal gain module that links to each other with it, the signal gain module was signal input to the wireless transmission module who links to each other with it of increase, and wireless transmission module imports with the radio signal mode and handles the host computer and carry out signal data storage and demonstration, the electric current of power supply output uses the current -voltage who obtains the invariant to come as signal acquisition and the used mains operated of transmission behind voltage stabilizing module. The utility model has the advantages of transmit power is big, detectivity is high, the interference killing feature by force, do not receive the coating influence, easy -to -use.