XZR-500 flue-gas analyser operates in 1,500C heat

Michell Instruments' XZR-500 flue-gas analyser features a metallic sealed reference sensor (MSRS) that operates reliably in temperatures up to 1,500C.

The analyser's semi-in-situ location makes it easy to install, simple to operate and economical to maintain.

The XZR-500 is ideal for applications such as combustion efficiency for boilers or industrial-waste incinerators.

It provides the speed of response and simplicity of installation of an in-situ analyser, combined with the longer sensor life-span associated with an ex-situ analyser.

The XZR-500 is installed adjacent to the sampling point close to the radiation zone.

Taking the measurement within this point of high-temperature gives accurate readings, while installations further down the process risk contaminating the sample gas with ambient air leakages, resulting in false readings.

The MSRS technology is based on a sealed metallic reference, which means air can be used as a calibration gas.

This also reduces time spent on installation and maintenance: if a sensor replacement is needed, it can be performed within minutes without interrupting the process.

A further reduction in the cost of ownership is achieved through the rugged design of the sensor cell.

The XZR-500 oxygen analyser has a long life-span compared with conventional zirconia-based analysers.

When operated in dirty applications, such as coal-fired power stations, the MSRS cell of the XZR-500 can be combined with a blow-back mechanism for increased readings reliability.

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