The unit is controlled by using two decade thumbwheel switches adjustable from 00 to 99, and a three position ozone level switch for low, medium and high settings. The NOxGen 3 R provides the option of remote control using TTL levels for all operational functions. The Signal Group’s NOxGen 3 comes in a 19” rack type, 3 units high enclosure. It can be bench top used or fitted into a 19” rack console. For bench top use there are extendible feet at the front which can be used to tilt the angle of the instrument back for ease.

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