products 
Level Sensors 
Fisher® Level Sensors, in conjunction with either FIELDVUE DLC3000 Series digital level controllers or 2500 Series controllers and transmitters, are designed to measure changes in liquid level, liquid interface level, or density/specific gravity inside a process vessel.
Fisher® 249Caged Displacers
Caged sensors provide more stable operation than do cageless sensors for vessels with internal obstructions or considerable internal turbulence.
Fisher® 249PCageless Displacers
Cageless sensors are generally used on applications requiring large displacers that are accommodated by large flange connections.
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