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Fisher 249 Series Cageless Sensors

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Pekka Immonen
Key Account Manager
Mob. 045 168 8355

Taneli Luhanko
Inside Sales Engineer
Phone. 0207 416 202
Mob. 040 757 4208

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.

Fisher

Tekniset tiedot
Ominaisuudet

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

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.

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Fisher 249 Series Cageless Sensors

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