Pipe-to-soil testing apparatus and methods

A method for verifying operation of corrosion mitigation devices utilizing underground pipeline test points and a test point monitor, the monitor including at least one analog sensor electrically connected across a pipeline test point and a reference point, said method comprising;

• determining if synchronized interruption activity is present at the test point with the test point monitor;
• instructing the monitor to measure at least one voltage potential;
• measuring the voltage potentials;
• and
• providing the voltage potential measurements to an external system.

A test point monitor configured for the measurement of voltages present at a test point of an underground pipeline, said monitor comprising:

• a processor;
• a real-time clock interfaced to said processor, said processor configured to execute a wake-up command at a predetermined time based on said real-time clock;
• a cellular modem interfaced to said processor;
• and
• at least one analog sensor interfaced to said processor, said sensor electrically connected across the test point and a reference point, said processor configured to initiate voltage measurements at the test point utilizing said analog sensor to determine a presence of a voltage source that is cycling on and off, and if a cycling on and off voltage source is present, said processor is configured to make one or more voltage measurements of the test pint utilizing said sensor, and further configured to cause the voltage measurements to be stored.