Oxygen Transmitters offer probe lengths of 15 and 18 ft.

Press Release Summary:

Oxymitter(TM) 4000 and 5000 integrate oxygen probe, field electronics, and fully automatic calibrator into one package. Probes insert directly into duct to measure oxygen in combustion processes. Zirconium-oxide-based transmitters, suited for flue-gas measurement in large ducts, provide oxygen measurement functionality to PlantWeb® digital plant architecture, powering PlantWeb to perform diagnostics and information delivery.

Original Press Release:

Emerson Improves Flue Gas Measurement With Additions to Rosemount Analytical Oxymitter(TM) Product Line

Oxymitter 4000 and 5000 Now Available in Longer Probe Lengths

ORRVILLE, OH (February 3, 2003) - The Rosemount Analytical Oxymitter(TM) 4000 and 5000 are now available in new extended probe lengths designed to give more accurate readings of flue gas. Based on demand from its customers, Emerson Process Management is offering the oxygen transmitters with 15- and 18-foot probe lengths.

The Oxymitter is the world's first in situ, zirconium oxide-based oxygen transmitter for flue gas measurement. It integrates an oxygen probe, field electronics and fully automatic calibrator into a single, compact package. The probe inserts directly into a flue gas duct to measure oxygen in combustion processes.

Large combustion processes typically use multiple probes to measure flue gas at several points, and then average the readings for control purposes. Flue gas stratification in larger ducts requires longer length probes to ensure complete coverage, and better averaging. The flue gas measurements are used by boiler operators to fine-tune burner fuel/air ratios for maximum efficiency.

"The readings from individual probes can also provide excellent diagnostic information concerning the condition of burners and coal mills," said Douglas E. Simmers, global combustion products manager for Emerson. "The 15- and 18-foot probe version of the Oxymitter 4000 and 5000 permit the operator to get better O2 information in large ducts." The Oxymitter is also ideal for smaller combustion processes like industrial boilers, process heaters, kilns and reheat furnaces.

The Oxymitter 4000 and 5000 products provide oxygen measurement functionality to the PlantWeb® digital plant architecture, powering PlantWeb to perform diagnostics and information delivery to plant operators and maintenance personnel. This functionality results in superior control performance, optimization of plant assets, increased plant availability, and reduced maintenance cost.

About Emerson Process Management

Emerson Process Management (www.emersonprocess.com), 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 (emersonprocess.com/proanalytic) includes a gas division in Orrville, Ohio that is a leading supplier of on-line gas analyzers and systems for process, environmental and laboratory analysis applications. 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®; DeltaV(TM); Ovation®; and AMS.

About Emerson

St. Louis-based Emerson (www.gotoemerson.com) is a global leader in bringing technology and engineering together to provide innovative solutions to customers in electronics and telecommunications; process control; industrial automation; heating, ventilating and air conditioning; and appliance and tools. Sales in fiscal 2002 were $13.8billion.

PlantWeb, Fisher, Micro Motion, Rosemount, Delta and Ovation are marks of one of the Emerson Process Management family of companies. All other marks are the property of their respective holders.

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