Fisher 249 caged level sensors provide more stable operation than do cageless sensors for vessels with internal obstructions or considerable internal turbulence.
Fisher 249 Series Caged Sensors
Types
Fisher Controller and Instrument, Fisher 249 Series Caged Sensors
Fisher 249 Series Caged Sensors
Features
The torque tube can be replaced without removing the torque tube arm.
Fisher 249 caged level sensors few moving parts are used. A knife-edged driver bearing in the sensor helps to provide low-friction operation.