Water Gap Sensors

Runner Clearance Probe RCP-008Displacement probe is used for noncontact measurements of turbine runnner clearance of large Francis or Kaplan turbines.

The high performance casing probe material allows sealed mounting of the eddy current probe into the turbine throat ring and ensure interchangeability.
The entire signal processing is built-in in the sensor body.

The voltage output is directly proportional to the measured distance between the metallic target (turbine blades for Kaplan turbine or labyrinthe clearance for Francis turbine ) and the sensor face.