Conductivity level equipment detects the level of liquid in one or more tanks or vats, using probes which signal level changes to a controller. Conductivity level probes monitor levels in a liquid control system. Conductivity level controls read the signal that the probes report, and adjust the levels up or down, according to their settings. Conductivity level accessories connect the level controls to the probes or offer a probe that can withstand high-pressure and high temperature environments.