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Fisher-P-249 Cageless

Fisher™ 249 Series Cageless Sensors

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Product Description

Fisher 249 cageless sensors are generally used on applications requiring large displacers that are accommodated by large flange connections. Different displacer stem lengths permit lowering the displacer to the desired depth. These sensors are designed to measure changes in liquid level, liquid interface level, or density/specific gravity inside a process vessel using Archimedes’ Principle.

Specifications

Certifications
PED for 249W type only
Diagnostics
No
Mounting Type
Process Vessel Mounted
Operating Temperature
Low Temperature, Standard Temperature, High Temperature
Position Control
Monitoring
Process Control
Level
Other Configurations
Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.

Documents & Drawings

Features

  • Displacer reaction to small specific gravity changes allows these instruments to be used for density applications and in other applications where a response to low levels of input signal change is required.
  • Few moving parts are used. A knife-edged driver bearing in the sensor helps to provide low-friction operation. Sensors are available in ratings up to CL2500.
  • The torque tube can be replaced without removing the torque tube arm.