Conductivity Probes for Level Monitoring in the Boiler

Maintaining level is an important aspect of Boiler Control.  Automatic Boiler Controls work by sensing the level of water in the boiler based on conductivity and and taking the necessary action.  Level monitoring is done by means of conductivity probes which are inserted through the boiler wall.

These probes are placed at different levels of the boiler.  When the water reaches the particular level, the contacts are bridged and a current flows through the probes and a signal reaches the controller.  If the water level falls no current flows signalling that the level has fallen.

These probes are specially designed to withstand the temperature and pressure of the boiler.