Transmitter is ATEX-approved with full FISCO compliance.

Press Release Summary:

Rosemount® Analytical 5081 intrinsically-safe, 2-wire, explosion-proof transmitter and display features 20 mm high digits that present main process variable and smaller digits displaying temperature, alarms, output signal, and other sensor information. FOUNDATION(TM) fieldbus compatibility enables full remote control room-based data access with PlantWeb® digital plant architecture. Unit can be locally interrogated and configured using infra-red controller.

Original Press Release:

Emerson Enhances Rosemount Analytical Transmitter by Upgrading ATEX Approval to FISCO Fieldbus Compliance

Compliance enables more devices on FOUNDATION(TM) fieldbus segments, and simplifies safe installation and documentation for hazardous areas

AUSTIN, TEXAS (October 18, 2005) -- Emerson Process Management has upgraded the ATEX approval of the Rosemount® Analytical 5081 transmitter, which is an intrinsically-safe 2-wire, explosion-proof (NEMA 4X and 7B rated) transmitter and display. Compatible with all the sensors available from Rosemount Analytical, for monitoring pH/ORP, contacting and inductive conductivity, dissolved oxygen, ozone or chlorine, the unit is now ATEX approved with full FISCO (Fieldbus Intrinsic Safety Concept) compliance.

FISCO simplifies the rules governing energy storage in field cables, and makes more power available to the fieldbus trunk. This arrangement means more fieldbus instruments can be connected in the hazardous area, and allows users to spend less time justifying and documenting an installation's safety.

FOUNDATION(TM) fieldbus compatibility enables full remote control room-based data access with PlantWeb® digital plant architecture. AMS(TM) Suite: Intelligent Device Manager software allows commissioning and maintenance engineers to set up and configure the transmitter, and read process variables using the bus network. Typically the extra process variables monitored include secondary sensors, such as temperature elements integrated into the primary sensor, and used for automatic corrections on the primary process variable. AMS Suite further allows remote interrogation of the intelligent sensor predictive diagnostics, such as the impedance measurement of the pH glass electrode membrane and the reference electrode, advising and predicting when sensors need attention or replacement.

The 5081 display features 20mm high digits that present the main process variable and smaller digits displaying temperature, alarms, output signal and other sensor information. The unit can be locally interrogated and configured using an infra-red controller, or alternatively by an Emerson 375 hand-held communicator.

About Emerson Process Management

Emerson Process Management (, an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the chemical, oil and gas, refining, pulp and paper, power, food and beverage, pharmaceutical and other industries. A division of Emerson, Rosemount Analytical ( includes a liquid division in Irvine, California that designs and manufactures refractometers, analyzers, transmitters and sensors for the on-line measurement of pH, ORP, conductivity, dissolved oxygen, chlorine, ozone and turbidity. The best-in-class technology and expertise of Rosemount Analytical play a key role in Emerson's combining of superior products and technology with industry-specific engineering, consulting, project management and maintenance services. Emerson brands include PlantWeb®, Fisher®, Micro Motion®, Rosemount®, Mobrey®, DeltaV(TM), Ovation®, and AMS(TM) Suite.

About Emerson

Emerson is a global leader in bringing technology and engineering together to provide innovative solutions to customers through its network power, process management, industrial automation, climate technologies, and appliance and tools businesses. Sales in fiscal 2004 were $15.6 billion. For more information, visit

Rosemount, PlantWeb and AMS are marks of Emerson Process Management.

Bonnie Brown, Emerson Process Management, Rosemount Analytical
1 (949) 757-8536,

Peter Dossing, Emerson Process Management
1 (512) 832-3162,

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