Air Monitoring

  • New range of advanced NOx gas analysers

New range of advanced NOx gas analysers

Jul 09 2019 Read 875 Times

Signal Group has launched the latest additions to their advanced Series IV gas analysers. The QUASAR instruments use chemiluminescence detection for the continuous measurement of NOx, nitric oxide, nitrogen dioxide or ammonia in applications including engine emissions, combustion studies, process monitoring, CEMS and gas production.

Heated vacuum chemiluminescence is the reference method for monitoring NOx, enabling a higher level of sensitivity with minimal quenching effects, and a heated reaction chamber which facilitates the processing of hot, wet sample gases without condensation. Signal’s vacuum technology improves the signal to noise ratio, and a fast response time makes it ideal for real-time reporting applications. However, a non-vacuum version is available for trace NOx measurements such as RDE (Real-world Driving Emissions) on-board vehicle testing, for which a 24VDC version is available.

Series IV instruments are compatible with 3G, 4G, GPRS, Bluetooth, Wifi and satellite communications; each instrument has its own IP address and runs on Windows software. This provides users with simple, secure access to their analysers at any time, from anywhere.

Internal logging and a colour touch-screen display provide users with simple onsite access to data, and a screenless version is available for systems integrators.

Signal MD James Clements said: “The sensing technology in these analysers is the result of several decades of development, delivering accurate, reliable analysers that are simple to operate. As part of the Series IV platform, they also offer market leading capability in communications and data management.”

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