Emerson / Rosemount Analytical 54eC-01 Conductivity / Resistivity Analyzer / Controller
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Emerson / Rosemount Analytical 54eC-01 Conductivity / Resistivity Analyzer / Controller

This unit has a damaged screen; however, this will not prevent it from functioning properly. The 54eC Analyzer / Controller measures conductivity, resistivity, or percent concentration. The unit uses either contracting or inductive sensors to meet most application requirements. The 54eC has temperature correction algorithms for high purity water, cation conductivity, and linear temperature coefficient. This feature can be turned off if needed.

View Representative Photo of the damaged screen.

Part Numbers: 54EC-01

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Stock # 65555-4
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Emerson / Rosemount Analytical 54e Series Analyzers / Controllers

  • Weatherproof Corrosion-Resistant Enclosure
  • Back-Lit Display
  • Two Independent Outputs
  • Three Alarms with Programmed Logic


The Emerson / Rosemount Analytical 54e Series Analyzers / Controllers, with the appropriate sensors, monitor and control pH/ORP, conductivity/resistivity, dissolved oxygen (ppm and ppb level), free chlorine, total chlorine, or ozone in a variety of process liquids.

The analyzer/controller is housed in a rugged NEMA 4X (IP65) weatherproof, corrosion resistant enclosure of epoxy-painted aluminum. It is suitable for panel, pipe or wall mounting. All functions are accessible through the front panel membrane keyboard that features tactile feedback. The large back-lit dot-matrix liquid crystal display continuously indicates the measured variable in large numerals, along with the temperature, output value and two programmable process parameters (such as alarms or diagnostics variables). Three levels of security are available: 1) calibration, 2) output range and alarm set point adjustment, and 3) advanced configuration. A hinged front panel provides convenient wiring access. All operations and descriptive messages can be field selected for English, French, German, Italian, or Spanish.

The Model 54e is a member of the Rosemount SMART FAMILY® of instruments which is designed to communicate with the Model 275 HART® hand-held communicator and any other host, including AMS, that supports the 275 HART communication protocol.

The two independent, isolated outputs provide 4-20 or 0-20 mA signals for the process measurement and temperature. The controller option also allows PID control choices acting on process measurement or temperature. Manual control of the output may also be selected for routine maintenance and tests.

Three process alarms are a standard feature. All alarms have programmable high or low activation, independent setpoints, adjustable hysteresis (deadband), and time delay. One relay may be configured as a timer relay for chemical cleaning, which may be activated at a specific time interval. An overfeed timer feature is also selectable for any one process relay. The control option allows each alarm the additional choice of Time Proportional Control. During any relay activation, a corresponding Green LED is illuminated.

Product Family: 54e, 54 e, 54-e, 54eC, 54 eC, 54-eC, 54e C, 54 e C, 54-e C, 54e-C, 54 e-C, 54-e-C, 54e C, 54 e C, 54-e C, 54epH, 54 epH, 54-epH, 54e pH, 54 e pH, 54-e pH, 54e-pH, 54 e-pH, 54-e-pH, 54e pH, 54 e pH, 54-e pH, 54eA, 54 eA, 54-eA, 54e A, 54 e A, 54-e A, 54e-A, 54 e-A, 54-e-A, 54e A, 54 e A, 54-e A

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Emerson / Rosemount Analytical 54e Series Analyzers / ControllersEmerson / Rosemount Analytical 54e Series Analyzers / ControllersEmerson / Rosemount Analytical 54e Series Analyzers / Controllers
Emerson / Rosemount Analytical 54e Series Analyzers / ControllersEmerson / Rosemount Analytical 54e Series Analyzers / ControllersEmerson / Rosemount Analytical 54e Series Analyzers / Controllers

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