ELT SENSOR CORP's patented NDIR core technologies are integrated into various air quality monitors and transmitters with high precision and long-term stability, detecting IAQ HVAC, agricultural, and industrial combustible gases such as CO2, CO, C2H2, CxHy, and more. ELT chemical sensors operate at mission-critical sites to protect workers from toxic and corrosive gases (H2S, SO2, NO2, Cl2, CO, NH3, O2, and others) used in semiconductor fabs, gas control facilities, construction sites, and transportation vehicles.