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ABB announces Endura AZ20 combustion gas analyzers

ABB announces Endura AZ20 combustion gas analyzers

Write: Salton [2011-05-20]
ABB announced Endura AZ20 combustion gas analyzers for industrial and utility boiler applications. With a revised sensor design and an increased choice of probe lengths up to four meters (13+ feet), the Endura AZ20 expands ABB s offering to high temperature applications up to 800 C.
The Endura AZ20 offers an enhanced robust design. Manufactured using a new ceramic-to-steel bonding process, the AZ20 offers improved resistance to thermal stresses and shocks compared to a conventional brazed design. This enables it to be used in a wider range of applications subject to sudden variations in process temperature, as well as offering a gas-tight bond throughout its operating temperature range.
The Endura AZ20 benefits from a unique cell processing technique which bonds the multi-layered platinum electrode to the zirconia. This means that the AZ20 can be used in arduous applications subject to sulfurous and reducing atmospheres such as sulfur recovery processes, crematoria and industrial and clinical waste incineration.
Additionally, ABB has reduced the component count of the AZ20, simplifying maintenance. For any problems that do occur, the AZ20 s NAMUR compliant diagnostics, with alarms and warnings in clear text, enable operators to quickly trace and rectify the fault.
Operation has been simplified by the use of ABB s new universal Human Machine Interface (HMI), which has now been extended across its range of instrumentation products. Enabling operators to easily scroll through and select options, the HMI simplifies operation, maintenance and training, reducing cost of ownership and providing a consistent user experience. "Through-the-glass" control technology provides a local operator interface for inputting short, quick data for all user specific parameters without removing the transmitter cover. As a HART-enabled device, the Endura AZ20 also offers the ability for operators to perform online modification and monitoring of parameters.
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