Gas sensing Q&A:
WHAt is tHE MAGnos28 AnAlysEr?
The Magnos28 is a radically new paramagnetic oxygen analyser based on pioneering new technology. Offering greatly improved repeatability and precision, it is available in the ABB Advance Optima, EasyLine and EL3060 gas analyser series.
WHAt is diffErEnt ABout tHE AnAlysEr?
The device is based on ABB’s patent pending microwing technology. This silicon-based technology replaces glass dumbbells and the associated circuit path, mirror, mounting and taring weights. As an all-in-one analyser without any attachments, it promises greatly improved repeatability and precision.
The Magnos28 oxygen analyser
Highly accurate, rapid measurement of oxygen content is vital in a wide range of process industries, from industrial gas production to steel manufacture. Here Gary Egerton, business development & process analytics sales manager of ABB Measurement & Analytics tells us about ABB’s new Magnos28 analyser and how its radically new structure and manufacturing methods ensure unprecedented accuracy and high response rates.
WHErE cAn it BE usEd?
The Magnos28 is designed for a wide range of applications in industries requiring oxygen measurement and emission monitoring as it conforms to both EU Directive 2010/75/EC and US EPA (40 CFR 60 / 75). In the power industry it can be used for
process control, for example optimising combustion efficiency or safety measurement In chemicals, oil and gas industries, process
control applications could include recycling gas or safety measurement applications such as inert gas monitoring. For the industrial gas sector, a typical task is in air
separation units, including quality measurement of parameters such as oxygen purity. Process control in the metals and minerals
industry could involve forming part of the control system for a blast furnace, with a safety role in inert gas monitoring.
The automotive and marine industry would
find applications for the Magnos28 in engine exhaust measurement.
WHAt BEnEfits doEs it BrinG?
The new microwing technology offers unprecedented repeatability and precision, giving users confidence in controlling their process. A new digitally based manufacturing process ensures quality so that every sensor made offers a consistent performance. Designed to be robust and offer reliable
operation, the sensor reduces downtime, while also offering increased selectivity for complex gas streams. A rapid response ensures tighter and faster control of the process, making it ideal for when oxygen concentrations change rapidly. Its high-definition measurement abilities offer
improved accuracy at high and low concentrations, giving more precise control of the process. The ability to set individual measuring ranges also allows the analyser to be easily tailored to specific measurement requirements. The analyser also provides long term stability, with calibration of the zero-point with ambient air or nitrogen required only once a month in most applications.
WHAt pErforMAncE is it cApABlE of?
The Magnos28 offers improved drift stability, helping to realise very low measuring ranges of from zero to 0.5 vol%. With improved sensitivity at very low oxygen concentrations, it
40 June 2021 Instrumentation Monthly
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