• Servomex’s CLD Analyser for NOx Detection Applications

Gas Detection

Servomex’s CLD Analyser for NOx Detection Applications

Jul 04 2017

As part of its comprehensive emissions monitoring analyser range, Servomex, the world leader in gas analysis, provides a key solution to cover the broadest range of emissions applications involving oxides of nitrogen.

The SERVOPRO NOx is a versatile analyser which uses the time-proven Chemiluminescence Detection (CLD) method to measure NO or NO/NO2/NOx concentrations, all in one package. The standard analyzer can be equipped with the Servomex Paramagnetic O2 sensor, and in addition there is a heated CLD version available for vehicle or engine certification testing.

The analyser is ideal for continuous monitoring of industrial stationary sources emissions, as well as ambient air monitoring. Using a photodiode equipped with a peltier cooler to detect chemiluminescent light at speeds up to 5Hz, the NOx is a perfect solution for emissions testing in engines and vehicles.

Delivering an excellent linear range from trace levels to 1000s of ppmv concentrations, the NOx allows for user selectable measurement ranges from 0-3ppm to 0-3,000ppm, all of which can be changed and recalibrated in the field, manually or remotely.

The standard version includes a Paramagnetic oxygen channel, internal zero/sample/span valves, and an internal sampling pump. A wet to dry conversion option is also available.

Barbara Marshik, Servomex’s Market Segment Manager – Power, said: “The SERVOPRO NOx is a must-have solution not only for any industrial stationary source but it is also an excellent choice for any mobile source NOx emissions application. Using a high sensitivity photodiode detector instead of a standard photomultiplier type ensures a long lasting detector that requires no maintenance. With flexible ranges, ultra-low detection limits and a high dynamic range to meet any application requirements, the analyzer offers the highest level of performance for a low cost of ownership.”

The NOx joins the SERVOPRO SO2, which uses pulsed Ultraviolet (UV) Fluorescence technology, the SERVOPRO HFID which uses a heated-oven, Flame Ionization Detection-based detector for total hydrocarbons, methane and non-methane hydrocarbon detection, and the SERVOPRO 4900 multi-gas analyzer. These analyzers offer a comprehensive solution for monitoring NO, NO2, NOx, SO2, methane, total hydrocarbons, and non-methane hydrocarbons in stationary and mobile source emissions applications that require the ultimate in low level emissions monitoring.


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