Displacer
Displacer sensors with an electrical contact output at a specific liquid level.
 | Mercoid Series 190 Single Stage Top Mount Displacer Type Level Control. Fixed or Adjustable Deadband, For Pumps or Alarms |  | Mercoid Series 195 Two Stage Top Mount Displacer Type Level Control. Fixed or Adjustable Deadband, For Pumps or Alarms |