Product category:
Gas monitoring and analysis
News Release from: Emerson Process Management | Subject: Rosemount Analytical OCX 8800
Edited by the Processingtalk Editorial
Team on 17 June 2005
Flue gas analyser measures oxygen and
combustibles
The Rosemount Analytical OCX 8800 is an oxygen and combustibles transmitter for analysing flue gases at temperatures up to 1427C, to optimise combustion fuel-to-air ratios and improve safety
Emerson Process Management has introduced the Rosemount Analytical OCX 8800, an oxygen and combustibles transmitter for analysing flue gases at temperatures up to 1427C Accurate measurements of flue gases are essential to optimise combustion fuel-to-air ratios and to ensure safety during the combustion process, in hot water and steam boilers, refinery process heaters and reactor furnaces
This article was originally published on Processingtalk on 15 Oct 2008 at 8.00am (UK)
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Incorporating the proven performance and rugged design of the zirconium oxide sensor, used for oxygen measurement in the Rosemount Analytical Oxymitter 4400, the OCX8800 also introduces a patented catalytic bead combustibles sensor.
Typically installed near the process, for minimal sample handling, an eductor draws a flue gas sample through the filter to the sensors, and then returns it to the process.
Optional in-situ filters and sample tube blow-back are available for processes carrying particulates.
Dilution air is added to the sample to ensure accurate combustibles measurement even in the absence of oxygen in the flue gas stream: this enables the OCX8800 to continue both measurements through process upsets, such as burner fouling, process tube leaks or loss of flame.
The simple to install OCX8800 unit features integral or remote mounted electronics, in weatherproof and ATEX approved housings, with a vacuum fluorescent local display for improved visibility.
The unit is completely field-repairable with easy access to the internal sensor components and the plug-in electronics module.
Two separate 4-20mA output signals offer field-scaleable outputs of oxygen and combustibles levels, with HART digital communications providing diagnostic data, available to an engineering department asset management PC system running AMS Suite: Intelligent Device Manager software.
The OCX8800 is part of the Emerson broad range of intelligent, digital field devices that power the PlantWeb digital plant architecture to improve plant efficiency by 2% and more through delivering asset optimisation, process automation, and management execution.
Further cost savings, increased plant availability, and enhanced safety and environmental compliance are achieved when these flue gas analysers are integrated into PlantWeb architecture. Request a free brochure from Emerson Process Management ...
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