The new S4 AURORA Paramagnetic oxygen analysers provide accurate percent measurements in combustion testing, inert atmospheres, medical and safety for humans, internal combustion engine exhausts and many more applications. With a remote software suite for control over the Internet, and an optional wireless tablet, the S4 AURORA is simple to operate. To ensure flexibility, users are able to specify their required configuration and programmable contact closures are available for gas path control. In common with all S4 analysers, the AURORA range deliver outstanding performance – 0.01% resolution and 0.1% linearity.

What Makes an Analyser “Reference Standard”?
Setting the Standard in Gas Analysis: Why Reference Methods Matter In the rigorous domains of emissions monitoring, industrial process control, and advanced atmospheric research, the precision and reliability of gas analysis instrumentation are not merely advantageous; they are foundational to regulatory compliance, environmental stewardship, and scientific advancement. The designation of