Measurement and Testing
Electric on-off Level Controller for Oil and Natural Gas Production and Hydrocarbon Processing Applications
May 23 2013
The Fisher L2e level controller from Emerson brings fully electric level control to applications in oil and gas production, compression, and hydrocarbon processing systems.
The new Fisher L2e uses a rugged force-balanced displacer sensor to detect the level of a single liquid or the interface of two liquids. The controller’s new advanced knife-edge sensing design combines with aerospace-quality switch technology to provide rugged, reliable and accurate level control.
A fully electric level control loop, consisting of the L2e level controller used in conjunction with a Fisher easy-Drive electric actuator powered D3 or D4 control valve, helps to eliminate emissions and increase uptime, and requires less maintenance than conventional pneumatic level loops.
The L2e zero and span adjustments enable tuning for a wide variety of level loop applications. Additionally, the controller is certified for use in hazardous areas and is NACE compliant for sour service.
By scanning the QR code on the inside cover of the L2e, instrument technicians have access to 24/7 field support for setup, calibration and loop tuning.
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