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Fisher 2500 Pneumatic Level Controller

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Anders Praem
Inside Sales Engineer
Phone. 2137 7759

Fisher™ 2500 pneumatic level controllers provide rugged, dependable, and simply constructed pneumatic instrumentation for liquid level, interface level, and density service.

Fisher

Specifikationer
Funktioner

Area Classification	Group II Category 2 Gas and Dust
Certifications	ATEX, PED, CUTR
Diagnostics	No
Max Outlet Pressure	35 psi
Mounting Type	249 Series Torque Tube Arm Mounted
Operating Temperature	Standard Temperature
Position Control	On/Off, Control, Monitoring
Process Control	Level
Supply Media	Air, Natural Gas

Set point, proportional valve opening, and reset changes are made with simple dial knob controls.
Few moving parts are used. A knife-edged driver bearing in the sensor and the plated brass instrument case ball bearing for the torque tube rotary shaft help to provide low-friction operation.
Available in a variety of orientations and connection styles, and all sensors can be either right- or left-hand mounted.
Displacer reaction to small specific gravity changes allows these instruments to be used for level, interface of two fluids, and density applications where a response to low levels of input signal change is required.
Action is field reversible from direct to reverse or vice versa, without additional parts.
Supply pressure conservation is enhanced in all constructions because relay exhaust opens only when input signal changes.
Comes standard with a liquid damping orifice in the lower equalizing connection for the cage sensor that helps provide additional stability.

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Fisher 2500 Pneumatic Level Controller

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