MSA's Ultima X Series Gas Monitors are microprocessor-based transmitters, engineered with the customer in mind. The latest mechanical and electrical technologies offer a state-of-the-art design for any gas detection need. The Ultima X Series Gas Monitors, available in both stainless steel and polycarbonate enclosure housings, provide continuous monitoring of hazardous gases. Advanced sensing technologies monitor against the threat of combustible and toxic gases and for oxygen deficiency.