MGA 3000 - Ranges of 0-100 ppm to 0-100% Volume - Single or multiple gas analyzers that use advanced Infrared and several other field proven technologies to analyze up to four gases at once. These units with built-in air pumps can be used in hostile or friendly environments. The option to upgrade at a later time protects your initial investment. A robust, attractive, compact 3U rack mount enclosure houses the unit with an optional bench case available for non-rack mounted applications. Many different gases from low ppm to 100% Volume levels can be analyzed and monitored