Using advanced electrochemical sensing technology, the TX418 multi-gas monitor continuously detects levels of oxygen and up to three toxic gases in any combination of carbon monoxide (without interference from hydrogen), ammonia, chlorine, chlorine dioxide, hydrogen chloride, hydrogen cyanide, nitrogen dioxide, hydrogen sulfide, nitric oxide or sulfur dioxide. Designed by Industrial Scientific Corporation to be used by NASA astronauts on the International Space Station,  the TX418 is suited for monitoring worker’s exposure to toxic gases in any industry.