Profile: Air Monitors Ltd. is an air quality monitoring service provider. We are registered under ISO 9000:2000 quality standard. We specialize in monitoring particulate matter and gaseous pollutants in the air, indoors and outdoors. Our range of gas monitors provides real time monitoring of a wide range of pollutant gases like nitric oxide, nitrogen dioxide, ammonia, sulfur dioxide, hydrogen sulfide, carbon monoxide, carbon dioxide, ozone, benzene, toluene, xylene and other hydrocarbons. Our model 410 nitric oxide monitor measures nitric oxide gas. The nitric oxide monitor is based on the method of continuous titration with ozone where the depletion of ozone is measured using the absolute method of UV absorbance. We also offer a range of portable detectors for gases, volatile organic compounds and radiation.